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- Author:
- Inam Ullah Khan; Abdul Haleem
- Source:
- Biomass and bioenergy 2022 v.158 pp. 106381
- ISSN:
- 0961-9534
- Subject:
- Fourier transform infrared spectroscopy; biodiesel; biomass; catalysts; fatty acid composition; gas chromatography-mass spectrometry; methanol; nuclear magnetic resonance spectroscopy; petroleum; potassium hydroxide; raw materials; seed oils; solid phase extraction; temperature; transesterification; wild plants
- Abstract:
- ... The Albizzia julibrissin seed oil was studied for the first time as a promising unconventional raw material for the preparation of biodiesel fuel. We aim to optimize different oil extraction reaction parameters, alkali-catalyzed transesterification process for maximal biodiesel production and finally evaluated its compatibility with mineral diesel. In the present work, various solvents, as well as ...
- DOI:
- 10.1016/j.biombioe.2022.106381
- https://doi.org/10.1016/j.biombioe.2022.106381
- Author:
- Chengqi Feng; Jiatian Zhu; Liming Cao; Li Yan; Chengrong Qin; Chen Liang; Shuangquan Yao
- Source:
- Industrial crops and products 2022 v.176 pp. 114374
- ISSN:
- 0926-6690
- Subject:
- acid treatment; acidolysis; bagasse; biomass; catalysts; cellulose; depolymerization; gas chromatography-mass spectrometry; hemicellulose; hydrolysates; lignin; lignocellulose; nuclear magnetic resonance spectroscopy; p-toluenesulfonic acid
- Abstract:
- ... Lignin was efficiently separated from lignocellulosic biomass using p-toluenesulfonic acid (p-TsOH) treatment. However, lignin depolymerization and acidolysis have not been studied to date. In this study, the mechanism of lignin acidolysis was investigated. The structure of lignin in bagasse before and after the p-TsOH treatment was analyzed. The efficiency and selectivity of lignin depolymerizati ...
- DOI:
- 10.1016/j.indcrop.2021.114374
- https://doi.org/10.1016/j.indcrop.2021.114374
- Author:
- Mariem Somrani; Hajer Debbabi; Alfredo Palop
- Source:
- Food science and technology international 2022 v.28 no.4 pp. 331-339
- ISSN:
- 1532-1738
- Subject:
- Listeria monocytogenes; Salmonella Enteritidis; antimicrobial properties; bioactive compounds; biofilm; biomass; cell adhesion; cloves; disk diffusion antimicrobial test; essential oils; eugenol; food science; gas chromatography-mass spectrometry; gentian violet; minimum inhibitory concentration; oils; technology
- Abstract:
- ... The antibacterial and antibiofilm activity of essential oil of clove against Listeria monocytogenes and Salmonella Enteritidis were investigated. The chemical composition of the oil was characterized by gas chromatography–mass spectrometry. Stock solution of the essential oil of clove was prepared in 95% (v/v) ethanol (EOC). The antibacterial assays were performed by disk diffusion assay and minim ...
- DOI:
- 10.1177/10820132211013273
- https://doi.org/10.1177/10820132211013273
- Author:
- Jinqiong Wang; Yi Xie; Jie Hou; Xinyu Zhou; Jing Chen; Changhong Yao; Yongkui Zhang; Yonghong Li
- Source:
- Biochemical engineering journal 2022 v.177 pp. 108212
- ISSN:
- 1369-703X
- Subject:
- Phanerochaete chrysosporium; ammonium nitrogen; biodegradation; biomass; bisphenol A; carbon; fungi; gas chromatography-mass spectrometry; glucose; hyphae; liquid chromatography; nitrogen; pH; total nitrogen
- Abstract:
- ... The wide application of biodegradation technology makes it particularly significant to use immobilized microorganisms to achieve continuous degradation of pollutants. In this study, the performance of Ca-alginate (CA) immobilized Phanerochaete chrysosporium beads in a consecutive biocycle treatment of bisphenol A (BPA) effluent was researched. The effects of initial BPA concentration, biomass dosa ...
- DOI:
- 10.1016/j.bej.2021.108212
- https://doi.org/10.1016/j.bej.2021.108212
5. Co-Pyrolysis of Lentil Husk Wastes and Chlorella vulgaris: Bio-Oil and Biochar Yields Optimization
- Author:
- Negar Kazemi; Omid Tavakoli; Ali Hekmat Nazemi
- Source:
- Journal of analytical and applied pyrolysis 2022 pp. 105548
- ISSN:
- 0165-2370
- Subject:
- Chlorella vulgaris; biochar; biofuels; biomass; carbon; energy; feedstocks; gas chromatography-mass spectrometry; hulls; lentils; microalgae; oils; oxygen; pyrolysis; response surface methodology; temperature
- Abstract:
- ... The ever-increasing demand for fossil fuels has led to environmental issues and depletion of energy resources, as a consequence, a growing interest in biomass as a promising renewable and sustainable feedstock for biofuels production is developing. In this work, lentil husks (agricultural wastes) and Chlorella vulgaris (microalgae) were selected to investigate their interaction during co-pyrolysis ...
- DOI:
- 10.1016/j.jaap.2022.105548
- https://doi.org/10.1016/j.jaap.2022.105548
- Author:
- Chunlu Jiang; Dashuang Zhao; Xing Chen; Liugen Zheng; Chang Li; Mengxi Ren
- Source:
- Ecological indicators 2022 v.136 pp. 108683
- ISSN:
- 1470-160X
- Subject:
- biomass; coal; combustion; dry season; environmental assessment; gas chromatography-mass spectrometry; groundwater; oils; petroleum; risk; seasonal variation; solid wastes; traffic; wet season; China
- Abstract:
- ... The impact of exposure to polycyclic aromatic hydrocarbons (PAHs) on the ecological environment has aroused widespread concern in coal mining areas. Coal mining and solid waste accumulation are among the main reasons for the widespread occurrence of PAHs in groundwater in mining areas. In this study, the PAH content in groundwater in a coal mining area in northern Anhui, China, was determined via ...
- DOI:
- 10.1016/j.ecolind.2022.108683
- https://doi.org/10.1016/j.ecolind.2022.108683
- Author:
- Daniela Couto; Tiago A. Conde; Tânia Melo; Bruna Neves; Margarida Costa; Pedro Cunha; Inês Guerra; Nádia Correia; Joana T. Silva; Hugo Pereira; João Varela; Joana Silva; Rosário Domingues; Pedro Domingues
- Source:
- Algal research 2022 v.64 pp. 102718
- ISSN:
- 2211-9264
- Subject:
- Nannochloropsis; antioxidant activity; betaine; biomarkers; biomass; dietary supplements; eicosapentaenoic acid; freshwater; gas chromatography-mass spectrometry; glycolipids; lipidomics; liquid chromatography; microalgae; oleic acid; phospholipids; photobioreactors; research; temperature; value added
- Abstract:
- ... Nannochloropsis is a genus of eicosapentaenoic acid-rich microalgae with high levels of value-added polar lipids. However, the polar lipid composition of microalgal biomass is highly dependent on culture conditions (e.g., light or temperature), which are significantly different under indoor and outdoor culture conditions. In this study, we sought to investigate the plasticity of the polar lipid pr ...
- DOI:
- 10.1016/j.algal.2022.102718
- https://doi.org/10.1016/j.algal.2022.102718
- Author:
- Lijuan Zhao; Si Chen; Xianjun Tan; Xin Yan; Wenhui Zhang; Yuxiong Huang; Rong Ji; Jason C. White
- Source:
- Chemosphere 2022 v.291 pp. 133004
- ISSN:
- 0045-6535
- Subject:
- Cyanobacteria; bioaccumulation; biomass; carbon; community structure; gas chromatography-mass spectrometry; genes; malondialdehyde; molybdenum disulfide; nanosheets; nitrogen; paddy soils; phenotype; photosynthesis; phytotoxicity; rice; soil microorganisms
- Abstract:
- ... Molybdenum disulfide (MoS₂) is a transition metal dichalcogenides (TMDCs) material that is seeing rapidly increasing use. The wide range of applications will result in significant environmental release. Here, the impact of MoS₂ nanosheets on rice and associated soil microbial communities was evaluated. Rice plants were grown for 4 weeks in a natural paddy soil amended with either 1T or 2H phase Mo ...
- DOI:
- 10.1016/j.chemosphere.2021.133004
- https://doi.org/10.1016/j.chemosphere.2021.133004
- Author:
- Caio César Achiles do Prado; Rodrigo Matheus Pereira; Lucia Regina Durrant; Rômulo Penna Scorza Júnior; Maricy Raquel Lindenbah Bonfá
- Source:
- Journal of chemical technology and biotechnology 2022 v.97 no.2 pp. 474-481
- ISSN:
- 0268-2575
- Subject:
- Bacillus megaterium; bacteria; biodegradation; biomass; bioremediation; biotechnology; carbon; corn; fipronil; gas chromatography-mass spectrometry; insecticides; metabolites; nitrogen; pest control; soil; toxicity
- Abstract:
- ... BACKGROUND: Fipronil is a broad‐spectrum insecticide that is used extensively due to its effective action in pest control. However, environmental studies have shown it has high toxicity towards non‐target organisms as well. In addition, the degradation of fipronil can generate even more toxic and reactive metabolites in the environment. In the present study, bioprospecting for bacteria with the po ...
- DOI:
- 10.1002/jctb.6758
- https://doi.org/10.1002/jctb.6758
- Author:
- Yiteng Zhang; Xingxing Cheng; Ziliang Wang; Mudassir Hussain Tahir; Zhiqiang Wang; Xuetao Wang; Chao Wang
- Source:
- Science of the total environment 2022 v.804 pp. 149951
- ISSN:
- 0048-9697
- Subject:
- Fourier transform infrared spectroscopy; adsorption; biochar; biomass; cabbage; carbon; energy efficiency; environment; ethanol; furans; gas chromatography-mass spectrometry; liquids; oils; pesticides; process energy; pyrolysis; surface area; temperature; thermogravimetry; wastes
- Abstract:
- ... Cabbage waste (CW) was recycled for generating some potential high-value products by a multi-stage treatment technology. A novel multi-stage utilization process was successfully proposed which consisted of low-temperature extraction, medium-temperature thermolysis, and high-temperature activation. Plant extracts that contain fatty acids, alcohol, furan, and esters were first extracted from raw cab ...
- DOI:
- 10.1016/j.scitotenv.2021.149951
- https://doi.org/10.1016/j.scitotenv.2021.149951
- Author:
- Donghuan Zhang; Hong Ren; Wei Hu; Libin Wu; Lujie Ren; Junjun Deng; Qiang Zhang; Yele Sun; Zifa Wang; Kimitaka Kawamura; Pingqing Fu
- Source:
- Environmental pollution 2022 v.294 pp. 118578
- ISSN:
- 0269-7491
- Subject:
- aerosols; alkanes; anthropogenic activities; biomass; carbon; diurnal variation; forests; fossil fuels; fuel combustion; gas chromatography-mass spectrometry; latitude; linoleic acid; molecular weight; oleic acid; photochemistry; pollution; summer; China
- Abstract:
- ... Lipids are important biogenic markers to indicate the sources and chemical process of aerosol particles in the atmosphere. To better understand the influences of biogenic and anthropogenic sources on forest aerosols, total suspended particles (TSP) were collected at Mt. Changbai, Shennongjia, and Xishuangbanna that are located at different climatic zones in northeastern, central and southwestern C ...
- DOI:
- 10.1016/j.envpol.2021.118578
- https://doi.org/10.1016/j.envpol.2021.118578
- Author:
- Jon M. Wells; Susan E. Crow; Samir Kumar Khanal; Scott Q. Turn
- Source:
- Bioresource technology reports 2022 v.18 pp. 101015
- ISSN:
- 2589-014X
- Subject:
- Poaceae; anaerobic digestion; biofuels; biomass; biotransformation; copper; enzymatic hydrolysis; ethanol production; ferulic acid; gas chromatography-mass spectrometry; grasses; hydrolysis; lignin; lignocellulose; liquids; methane production; oxidation; vanillin; variance
- Abstract:
- ... Converting lignocellulose to bioenergy and biobased products requires targeted breakdown of complex plant polymers that protect structural sugars. To identify lignophenolic compounds that promote enzymatic hydrolysis, the lignophenolic composition of biomass across 12 species and varieties of the Poaceae (grass) family were measured using copper (II) oxide (CuO) oxidation and gas chromatography–ma ...
- DOI:
- 10.1016/j.biteb.2022.101015
- https://doi.org/10.1016/j.biteb.2022.101015
- Author:
- Bello Salman; Saifuddin Nomanbhay; Arshad Adam Salema
- Source:
- Biofuels 2022 v.13 no.1 pp. 31-47
- ISSN:
- 1759-7277
- Subject:
- Elaeis guineensis; biofuels; biomass; coconuts; decane; experimental design; fruits; furans; gas chromatography-mass spectrometry; microwave treatment; phenol; pyrolysis; temperature; wastes; Nigeria
- Abstract:
- ... Microwave-assisted hydrothermal co-pyrolysis of biomass (oil palm empty fruit bunch) and plastic waste from sachet-water (widely available in Nigeria) was studied to improve the yield and quality of bio-oil. The experiment was carried out in a customised microwave system under a maximum microwave power of 300 W, using a coconut shell-based susceptor. Further, the hydrothermal process was optimised ...
- DOI:
- 10.1080/17597269.2019.1626000
- https://doi.org/10.1080/17597269.2019.1626000
- Author:
- Thanaphorn Rakkan; Netnapa Chana; Kanokphorn Sangkharak
- Source:
- Waste and biomass valorization 2022 v.13 no.3 pp. 1515-1522
- ISSN:
- 1877-2641
- Subject:
- Enterobacter; biodegradation; biomass; eutrophication; gas chromatography-mass spectrometry; nitrogen; nitrogen content; pH; polyhydroxyalkanoates; textile mill effluents; water quality standards; Thailand
- Abstract:
- ... In our previous study, textile wastewater (TW) treated with Enterobacter strain TS1L was improved dramatically after biological degradation. However, the nitrogen concentration of the treated water exceeded the threshold value in Thailand, resulting in eutrophication. Therefore, this study aimed to reduce the nitrogen content of treated TW (TTW) by re-treating it with Enterobacter. The nitrogen co ...
- DOI:
- 10.1007/s12649-021-01601-z
- https://doi.org/10.1007/s12649-021-01601-z
- Author:
- Xurong Bai; Jie Wei; Yanqin Ren; Rui Gao; Fahe Chai; Hong Li; Fei Xu; Yuxue Kong
- Source:
- Journal of environmental sciences (China) 2022 pp. -
- ISSN:
- 1001-0742
- Subject:
- biomass; carcinogenicity; coal; combustion; dominant species; gas chromatography-mass spectrometry; health effects assessments; mutagenicity; particle size; particulates; pollution; risk; traffic; urban areas; China
- Abstract:
- ... Polycyclic aromatic hydrocarbons (PAHs) and their nitrated derivatives (NPAHs) attract continuous attention due to their outstanding carcinogenicity and mutagenicity. In order to investigate the diurnal variations, sources, formation mechanism, and health risk assessment of them in heating season, particulate matter (PM) were collected in Beijing urban area from December 26, 2017 to January 17, 20 ...
- DOI:
- 10.1016/j.jes.2022.02.047
- https://doi.org/10.1016/j.jes.2022.02.047
- Author:
- Elena Shamrikova; Evgeniia Yakovleva; Dmitry Gabov; Egor Zhangurov; Michail Korolev; Elya Zazovskaya
- Source:
- Agronomy 2022 v.12 no.2 pp. -
- ISSN:
- 2073-4395
- Subject:
- Russia; agronomy; anthracenes; biomass; carbonates; carcinogenicity; discriminant analysis; gas chromatography-mass spectrometry; high performance liquid chromatography; humification; humus; mutagens; naphthalene; phenanthrenes; reindeer; soil; soil formation; tundra
- Abstract:
- ... Humic substances of soils consist of various organic compounds, including polycyclic aromatic hydrocarbons (PAHs). Soil as a fairly stable medium allows the correct use of polyarenes as markers of the humus formation process. Monitoring of the accumulation of PAHs as resistant organic toxicants is also necessary due to their carcinogenic and mutagenic properties. Natural plant resources serve as t ...
- DOI:
- 10.3390/agronomy12020372
- https://doi.org/10.3390/agronomy12020372
- Author:
- Chukwujindu M.A. Iwegbue; Etanuro Chukwudi-Madu; Godswill O. Tesi; Joan O. Ikpefan; Bice S. Martincigh
- Source:
- Journal of food composition and analysis 2022 v.111 pp. 104592
- ISSN:
- 0889-1575
- Subject:
- Achatinidae; Pulmonata; acetone; biomass; carcinogenicity; combustion; food composition; gas chromatography-mass spectrometry; oils; polycyclic aromatic hydrocarbons; risk; snails; solid phase extraction; traffic; Nigeria
- Abstract:
- ... Giant African snails were collected from different zones in southern Nigeria, and analyzed for their polycyclic aromatic hydrocarbon (PAH) content. The purpose was to provide information on the health risk arising from exposure to PAHs through consumption of these snails. A mixture of acetone/dichloromethane/n-hexane was used for the Soxhlet extraction of PAHs from the snail samples, and the resul ...
- DOI:
- 10.1016/j.jfca.2022.104592
- https://doi.org/10.1016/j.jfca.2022.104592
- Author:
- Genmao Guo; Qing Huang; Fangming Jin; Qingqing Wang; Qionglin Fu; Yin Liu; Ying Chen; Junfeng Wang; Ju Zhang
- Source:
- Fuel processing technology 2022 v.230 pp. 107216
- ISSN:
- 0378-3820
- Subject:
- Fourier transform infrared spectroscopy; acetic acid; anhydrides; biomass; chemical composition; commercialization; free radicals; gas chromatography-mass spectrometry; maltol; pH; phenol; principal component analysis; pyrolysis oils; solvents; variance
- Abstract:
- ... The complexity of the components in pyrolysis liquid causes serious problems for its downstream utilization. In order to increase the added value and commercialization of pyrolysis liquid, a novel method was developed by combining the sequential multi-step pH adjustment and organic solvent extraction methods to separate the chemical components of crude pyrolysis liquid. The chemical composition of ...
- DOI:
- 10.1016/j.fuproc.2022.107216
- https://doi.org/10.1016/j.fuproc.2022.107216
- Author:
- Hang Yang; Yunli Liu; Guoliang Bai; Yi Zhang; Shibin Xia
- Source:
- Biomass and bioenergy 2022 v.160 pp. 106436
- ISSN:
- 0961-9534
- Subject:
- X-ray diffraction; bioenergy; biomass; gas chromatography-mass spectrometry; liquids; petroleum; pollutants; pyrolysis; sludge; synergism
- Abstract:
- ... The co-pyrolysis characteristics of oil-based drill cuttings (OBDC) and lees were studied through investigating the effects of pyrolysis temperature, pyrolysis time, heating rate, and mixing ratio on the pyrolysis/co-pyrolysis products. X-ray diffraction (XRD), scanning electron microscope (SEM), gas chromatography-mass spectrometry (GC-MS), and thermogravimetric-mass spectrometry (TM-MS) were use ...
- DOI:
- 10.1016/j.biombioe.2022.106436
- https://doi.org/10.1016/j.biombioe.2022.106436
- Author:
- Thanaphorn Rakkan; Netnapa Chana; Kanokphorn Sangkharak
- Source:
- Waste and biomass valorization 2022 v.13 no.1 pp. 571-582
- ISSN:
- 1877-2641
- Subject:
- Enterobacter; Fourier transform infrared spectroscopy; biomass; carbon; gas chromatography-mass spectrometry; nitrogen; pH; polyhydroxyalkanoates; textile mill effluents; wastewater; wastewater treatment; water quality standards; Thailand
- Abstract:
- ... Textile wastewater (TW) from the Ban Phraek Weaving Group, Phatthalung, Thailand, showed high carbon (6405 mg/L) and nitrogen (54 mg/L) contents and a pH of 6.92, which, if not treated, will affect the environment. Newly isolated Enterobacter strain TS3 isolated from TW was used for TW treatment and PHA production under simultaneous batch conditions. The optimal conditions for the production of PH ...
- DOI:
- 10.1007/s12649-021-01504-z
- https://doi.org/10.1007/s12649-021-01504-z
- Author:
- Mohamed Ali Wahab; Katharina Kebelmann; Bernhard Schartel; Gareth Griffiths
- Source:
- Journal of cleaner production 2022 v.341 pp. 130925
- ISSN:
- 0959-6526
- Subject:
- ammonium; anaerobic digestion; biodiesel; biomass; biorefining; chemical oxygen demand; fatty acid composition; gas chromatography-mass spectrometry; lipid content; liquids; macroalgae; microalgae; polyunsaturated fatty acids; pyrolysis; pyrolysis gas chromatography; risk; toluene; toxicity
- Abstract:
- ... The valorization of macroalgae digestate as a secondary resource for high value chemicals and nutrients will promote the sustainability and circularity of anaerobic digestion based biorefinery. In this study, three digestates from A. nodosum C.linum and L. digitata were separated into liquid and solid fractions to investigate the production of high value added chemicals through pyrolysis using Pyr ...
- DOI:
- 10.1016/j.jclepro.2022.130925
- https://doi.org/10.1016/j.jclepro.2022.130925
- Author:
- Xiao Fu; Jialong Zhang; Xiangyu Gu; Hongbo Yu; Shulin Chen
- Source:
- Biotechnology for biofuels 2021 v.14 no.1 pp. 176
- ISSN:
- 1754-6834
- Subject:
- Pleurotus; Populus; biofuels; biomass; biotechnology; cell walls; cleavage (chemistry); crosslinking; digestibility; enzymatic hydrolysis; enzymes; feedstocks; fractionation; fungi; gas chromatography-mass spectrometry; glucose; grasses; lignin; lignin content; lignocellulose; manganese; nuclear magnetic resonance spectroscopy; principal component analysis; pyrolysis gas chromatography; quantum mechanics; saccharification; wheat straw
- Abstract:
- ... BACKGROUND: The efficiency of biological systems as an option for pretreating lignocellulosic biomass has to be improved to make the process practical. Fungal treatment with manganese (Mn) addition for improving lignocellulosic biomass fractionation and enzyme accessibility were investigated in this study. The broad-spectrum effect was tested on two different types of feedstocks with three fungal ...
- DOI:
- 10.1186/s13068-021-02024-7
- https://doi.org/10.1186/s13068-021-02024-7
- Author:
- Fang Chen; Chunliu Zhuo; Xirong Xiao; Thomas H. Pendergast; Katrien M. Devos
- Source:
- Biotechnology for biofuels 2021 v.14 no.1 pp. 18
- ISSN:
- 1754-6834
- Subject:
- biofuels; biomass; biotechnology; cell walls; digestibility; engineering; extraction; flavones; gas chromatography-mass spectrometry; genome-wide association study; grasses; lignification; lignin; lignin content; lignocellulose; liquid chromatography; protocols; research; sampling; screening; solvents; thioacidolysis; transgenic plants
- Abstract:
- ... BACKGROUND: Biomass composition varies from plant to plant and greatly affects biomass utilization. Lignin is a heterogeneous phenolic polymer derived mainly from p-coumaryl, coniferyl, and sinapyl alcohols and makes up to 10–25% of lignocellulosic biomass. Recently, tricin, an O-methylated flavone, was identified as a lignin monomer in many grass species. Tricin may function as a nucleation site ...
- DOI:
- 10.1186/s13068-020-01865-y
- https://doi.org/10.1186/s13068-020-01865-y
- Author:
- Geovanna Parra-Riofrío; Virginia Casas-Arrojo; Roberto Pino-Selles; Jorge García-Márquez; Roberto Teófilo Abdala-Díaz; Eduardo Uribe-Tapia
- Source:
- Journal of applied phycology 2021 v.33 no.6 pp. 3603-3615
- ISSN:
- 0921-8971
- Subject:
- 2,2-diphenyl-1-picrylhydrazyl; Fourier transform infrared spectroscopy; Porphyridium; algology; antioxidant activity; biomass; carbon; chemical composition; exopolysaccharides; gas chromatography-mass spectrometry; glucose; glucuronic acid; industry; metabolites; microalgae
- Abstract:
- ... Microalgae are successfully adapted to different environments where they metabolize inorganic and, in some cases, organic compounds. The modification of culture conditions can induce the synthesis of exopolysaccharides with potential health benefits. This study aims to adapt the autotrophic culture of the red alga Porphyridium purpureum to a heterotrophic culture in order to compare the biochemica ...
- DOI:
- 10.1007/s10811-021-02566-1
- https://doi.org/10.1007/s10811-021-02566-1
- Author:
- Marco Beccaria; Anna Luiza Mendes Siqueira; Adrien Maniquet; Pierre Giusti; Marco Piparo; Pierre‐Hugues Stefanuto; Jean‐François Focant
- Source:
- Journal of separation science 2021 v.44 no.1 pp. 115-134
- ISSN:
- 1615-9306
- Subject:
- bioenergy industry; biofuels; biomass; corrosion; derivatization; energy; feedstocks; gas chromatography-mass spectrometry; instrumentation; ionization; separation
- Abstract:
- ... A wide variety of biomass, from triglycerides to lignocellulosic‐based feedstock, are among promising candidates to possibly fulfill requirements as a substitute for crude oils as primary sources of chemical energy feedstock. During the feedstock processing carried out to increase the H:C ratio of the products, heteroatom‐containing compounds can promote corrosion, thus limiting and/or deactivatin ...
- DOI:
- 10.1002/jssc.202000907
- https://doi.org/10.1002/jssc.202000907
- Author:
- Li Xiong; Xiaoyu Liu; Giovanni Vinci; Baobao Sun; Marios Drosos; Lianqing Li; Alessandro Piccolo; Genxing Pan
- Source:
- Soil biology & biochemistry 2021 v.159 pp. 108289
- ISSN:
- 0038-0717
- Subject:
- air; alkenes; alkynes; biomass; carbon dioxide; carbon dioxide enrichment; clay; climate change; ecosystems; fungi; gas chromatography-mass spectrometry; microaggregates; mucilages; paddies; phospholipid fatty acids; pyrolysis gas chromatography; rice; silt; silt fraction; soil fertility; soil organic matter
- Abstract:
- ... To understand how climate change impacts soil fertility and ecosystem functioning, it is necessary to explore how different pools of soil organic matter (SOM) at aggregate scale are functionally affected in their molecular composition. Here, we collected rhizospheric soil at rice harvest from a paddy field in which a simulated climate change experiment was conducted for 6 years, including CO₂ enri ...
- DOI:
- 10.1016/j.soilbio.2021.108289
- https://doi.org/10.1016/j.soilbio.2021.108289
- Author:
- Rajiv Chandra Rajak; Pathikrit Saha; Mamata Singhvi; Darae Kwak; Danil Kim; Huijeong Lee; Aarti R. Deshmukh; Yingjie Bu; Beom Soo Kim
- Source:
- Green chemistry 2021 v.23 no.15 pp. 5584-5599
- ISSN:
- 1463-9270
- Subject:
- biobutanol; biodiesel; bioethanol; biohydrogen; biomass; catalysts; cerium; corn cobs; crystal structure; delignification; depolymerization; digestibility; enzymatic hydrolysis; enzymes; fuel production; gas chromatography-mass spectrometry; glucose; green chemistry; hydrolysis; iron oxides; lignin; lignocellulose; porosity; xylose
- Abstract:
- ... Pretreatment of lignocellulosic biomass to specifically depolymerise lignin moieties without the loss of carbohydrates as well as to minimize the generation of harmful intermediates during the process is a major challenge in the biofuel production process. In the present study, a nanoparticle mediated pretreatment strategy was developed to specifically depolymerise lignin from corn cob biomass. Th ...
- DOI:
- 10.1039/d1gc01456k
- https://doi.org/10.1039/d1gc01456k
- Author:
- Ellen C. Hopmans; Nadine T. Smit; Rachel Schwartz-Narbonne; Jaap S. Sinninghe Damsté; Darci Rush
- Source:
- Organic geochemistry 2021 v.160 pp. 104285
- ISSN:
- 0146-6380
- Subject:
- adenine; biomass; chemical degradation; chemotaxonomy; derivatization; gas chromatography-mass spectrometry; high performance liquid chromatography; ionization; lipidomics; methane; methylation; moieties; nucleosides; soil
- Abstract:
- ... Bacteriohopanepolyols (BHPs) are lipids with great chemotaxonomic potential for microbial populations and biogeochemical processes in the environment. The most commonly used methods for BHP analysis are chemical degradation followed by gas chromatography-mass spectrometry (MS) or derivatization followed by high performance liquid chromatography (HPLC)-atmospheric pressure chemical ionization/MS. H ...
- DOI:
- 10.1016/j.orggeochem.2021.104285
- https://doi.org/10.1016/j.orggeochem.2021.104285
- Author:
- R. Yadav; P. Ror; P. Rathore; S. Kumar; W. Ramakrishna
- Source:
- Journal of applied microbiology 2021 v.131 no.1 pp. 339-359
- ISSN:
- 1364-5072
- Subject:
- Bacillus subtilis; amino acid metabolism; biofertilizers; biofortification; biomass; gas chromatography-mass spectrometry; greenhouse experimentation; growth promotion; metabolites; nutrient content; oxidation; plant growth; soil; soil quality; vesicular arbuscular mycorrhizae; wheat
- Abstract:
- ... AIMS: The aim of this study was to identify the best combination of plant growth promoting bacteria (PGPB) and arbuscular mycorrhizal fungi (AMF) for biofortification and enhancing yield in wheat as well as improve soil health under field conditions. Another aim was to get insights into metabolite dynamics in plants treated with PGPB and AMF. METHODS AND RESULTS: Different combinations of PGPB and ...
- DOI:
- 10.1111/jam.14951
- https://doi.org/10.1111/jam.14951
- Author:
- Manal T. El-Sayed; Gamal H. Rabie; Esraa A. Hamed
- Source:
- Environment, development and sustainability 2021 v.23 no.10 pp. 14556-14584
- ISSN:
- 1387-585X
- Subject:
- Aspergillus carbonarius; Fourier transform infrared spectroscopy; X-ray diffraction; biodegradation; biomass; carbon; depolymerization; durability; electron microscopy; environment; gamma radiation; gas chromatography-mass spectrometry; heat treatment; laccase; manganese; manganese peroxidase; mixed culture; phthalates; polyethylene; wastes; Egypt
- Abstract:
- ... Low-density polyethylene (LDPE) possesses various applications in several industries owing to its durability, low-cost, and many mechano-thermal properties. Unfortunately, LDPE waste creates an environmental threat. The level of biodegradation of black LDPE sheets with fungi isolated from different landfills sites in Sharqiyah Governorate, Egypt, was evaluated. LDPE sheets, the only source of carb ...
- DOI:
- 10.1007/s10668-021-01258-7
- https://doi.org/10.1007/s10668-021-01258-7
- Author:
- Vasagi Ramachandran; Noor Shartika Jusoh; Megat Johari Megat Mohd Noor; Fazrena Nadia Md. Akhir; Nor’azizi Othman; Zuriati Zakaria; Hirofumi Hara
- Source:
- Waste and biomass valorization 2021 v.12 no.8 pp. 4253-4261
- ISSN:
- 1877-2641
- Subject:
- Elaeis guineensis; biomass; fractionation; fruits; gas chromatography-mass spectrometry; hydrolysis; liquids; solvents; sugar content; sugars; wastes
- Abstract:
- ... PURPOSE: The aims of this research were to extract sugar-based products from oil palm biomass, oil palm fronds (OPFs) and oil palm fruit pressed fibers (FPFs) via a hydrothermal process using accelerated solvent extraction and to identify the sugar content of the aqueous phase at different temperatures and reaction times. METHODS: The liquid products obtained from accelerated solvent extraction we ...
- DOI:
- 10.1007/s12649-020-01297-7
- https://doi.org/10.1007/s12649-020-01297-7
- Author:
- Tosin A. Olasehinde; Ademola O. Olaniran; Anthony I. Okoh
- Source:
- Journal of food biochemistry 2021 v.45 no.3 pp. e13395
- ISSN:
- 0145-8884
- Subject:
- Chlorococcum; acetylcholinesterase; antioxidant activity; antioxidants; biomass; butylated hydroxytoluene; chemical constituents of plants; cholinesterase; dietary supplements; ethanol; gas chromatography-mass spectrometry; hexane; methylene chloride; microalgae; polysaccharides; toluene
- Abstract:
- ... In this study, Chlorococcum sp. was investigated for its cholinesterase inhibitory potentials and antioxidant activity. The algal sample was cultivated, harvested, and extracted sequentially using n‐hexane, dichloromethane, and ethanol. The extracts were characterized using Fourier transmission infra‐red (FTIR) and Gas Chromatography‐Mass Spectrometry. The metal chelating, radical scavenging activ ...
- DOI:
- 10.1111/jfbc.13395
- https://doi.org/10.1111/jfbc.13395
- Author:
- Harshit Jadhav; Ankit Jadhav; Yogesh Morabiya; Pooja Takkalkar; Sundus Saeed Qureshi; A. G. Baloch; Sabzoi Nizamuddin; Shaukat Ali Mazari; Rashid Abro; N. M. Mubarak
- Source:
- Waste and biomass valorization 2021 v.12 no.2 pp. 807-821
- ISSN:
- 1877-2641
- Subject:
- Cinnamomum aromaticum; Taguchi method; bark extracts; biomass; energy; essential oils; gas chromatography-mass spectrometry; hydrodistillation; mathematical models; oils; solvents; ultrasonics; wastes
- Abstract:
- ... The extraction of concentrated volatile oils from various plant species is generally carried out by hydrodistillation technique. However, this hydrodistillation technique is expensive owing to more solvent and energy consumption. In this study, effect of ultrasonic pre-treatment prior to hydrodistillation on extraction of Cinnamomum cassia bark oil was evaluated. Process variables for extraction w ...
- DOI:
- 10.1007/s12649-020-01031-3
- https://doi.org/10.1007/s12649-020-01031-3
- Author:
- Natalia Sharonova; Evgeny Nikitin; Dmitriy Terenzhev; Anna Lyubina; Syumbelya Amerhanova; Kseniya Bushmeleva; Adelya Rakhmaeva; Igor Fitsev; Kirill Sinyashin
- Source:
- Plants 2021 v.10 no.7 pp. -
- ISSN:
- 2223-7747
- Subject:
- Centaurea cyanus; Centaurea jacea; Centaurea scabiosa; Lepidium sativum; Russia; ambient temperature; antimicrobial properties; antioxidant activity; biomass; catechol; chemical constituents of plants; ethanol; flavones; flora; flower extracts; flowers; gas chromatography-mass spectrometry; germination; hydroxymethylfurfural; juveniles; methanol; minimum inhibitory concentration; phytotoxicity; plant pathogens
- Abstract:
- ... The data on the phytochemical composition and biological activity for flowering plant extracts of the genus Centaurea (Knapweed)—cornflower (Centaurea cyanus L.), brown knapweed (Centaurea jacea L.), and greater knapweed (Centaurea scabiosa L.), which are typical representatives of the flora in the middle belt of the Russian Federation, were obtained. For the first time, biologically active substa ...
- DOI:
- 10.3390/plants10071279
- https://doi.org/10.3390/plants10071279
- Author:
- Iqra Mariam; Mukul S. Kareya; Asha A. Nesamma; Pannaga P. Jutur
- Source:
- Algal research 2021 v.55 pp. 102285
- ISSN:
- 2211-9264
- Subject:
- algae; biomass; biorefining; carbon; cell growth; cost effectiveness; dietary supplements; docosahexaenoic acid; fructose; galactose; gas chromatography-mass spectrometry; glucose; glycerol; human nutrition; metabolites; metabolomics; pentose phosphate cycle; research; sucrose; xylose
- Abstract:
- ... Oils rich in polyunsaturated fatty acids (PUFAs) such as docosahexaenoic acid (DHA) have industrial significance due to their benefits in human nutrition and health. In this context, our preliminary screening with glucose (i.e., 2%, 3%, 4%, 6%, 8% and 10% w/v), in a marine indigenous thraustochytrid Aurantiochytrium sp., revealed that a concentration of 3% (w/v) was the optimal for further study. ...
- DOI:
- 10.1016/j.algal.2021.102285
- https://doi.org/10.1016/j.algal.2021.102285
- Author:
- Yongjie Ding; Bailin Shan; Xuejuan Cao; Yugui Liu; Mingxuan Huang; Boming Tang
- Source:
- Journal of cleaner production 2021 v.288 pp. 125586
- ISSN:
- 0959-6526
- Subject:
- Fourier transform infrared spectroscopy; alkenes; biomass; bitumen; catalysts; chemical structure; dosage; ethanol; ethylene glycol; gas chromatography-mass spectrometry; glass transition temperature; hydrothermal liquefaction; light; lignocellulose; lipid content; liquids; mixing ratio; modulus of elasticity; nuclear magnetic resonance spectroscopy; oils; pavements; petroleum; polymers; rheometers; solvents; thermal stability; thermogravimetry
- Abstract:
- ... Bio asphalt is an organic polymer derived from biomass resources, which has the potential to partially or completely replace petroleum asphalt. This study used lignocellulose to prepare bio oil by hydrothermal liquefaction method. A mixed solvent of ethanol and ethylene glycol was introduced to increase the oil yield and decrease the reaction temperature. The oil yield reached the highest when sol ...
- DOI:
- 10.1016/j.jclepro.2020.125586
- https://doi.org/10.1016/j.jclepro.2020.125586
- Author:
- V. A. Terekhova; E. V. Fedoseeva; A. P. Kiryushina; A. Barra Caracciolo; N. V. Verkhovtseva
- Source:
- Water, air, and soil pollution 2021 v.232 no.7 pp. 292
- ISSN:
- 0049-6979
- Subject:
- Chernozems; air; bioassays; biomass; chemical analysis; environmental assessment; fungi; gas chromatography-mass spectrometry; lead; lipids; organic carbon; soil microorganisms; soil pollution; soil quality; water; zinc
- Abstract:
- ... Reliable stable indicators are very important for assessing soil quality. This paper compares the dynamics of microbial parameters in two different soils (rich/poor in organic carbon), contaminated in laboratory experiments with an equal dose of heavy metals (HMs) after 30 and 90 days. For this purpose, the changes in the number, biomass, and taxonomic structure of bacterial and fungal communities ...
- DOI:
- 10.1007/s11270-021-05174-4
- https://doi.org/10.1007/s11270-021-05174-4
- Author:
- Tangwu Cui; Bo Yuan; Haiwei Guo; Hua Tian; Weimin Wang; Yingqun Ma; Changzhi Li; Qiang Fei
- Source:
- Biotechnology for biofuels 2021 v.14 no.1 pp. 162
- ISSN:
- 1754-6834
- Subject:
- Coriolus versicolor; Lenzites; biodegradation; biofuels; biomass; biotechnology; biotransformation; depolymerization; enzyme activity; feedstocks; gas chromatography-mass spectrometry; laccase; lignin; lignocellulose; manganese peroxidase; quantum mechanics; synergism
- Abstract:
- ... BACKGROUND: As one of the major components of lignocellulosic biomass, lignin has been considered as the most abundant renewable aromatic feedstock in the world. Comparing with thermal or catalytic strategies for lignin degradation, biological conversion is a promising approach featuring with mild conditions and diversity, and has received great attention nowadays. RESULTS: In this study, a consor ...
- DOI:
- 10.1186/s13068-021-02011-y
- https://doi.org/10.1186/s13068-021-02011-y
- Author:
- Mohamed S. Abdel-Aziz; Mosad A. Ghareeb; Ahmed A. Hamed; Ehsan M. Rashad; Eslam R. El-Sawy; Ismail M. Saad; Khalid M. Ghoneem
- Source:
- Biocatalysis and agricultural biotechnology 2021 v.37 pp. 102185
- ISSN:
- 1878-8181
- Subject:
- Fusarium oxysporum f. sp. lycopersici; Fusarium wilt; Streptomyces; agricultural biotechnology; antifungal properties; biocatalysis; biological control; biomass; catechol oxidase; disease severity; ethyl acetate; fungicides; gas chromatography-mass spectrometry; greenhouses; humans; pathogens; peroxidase; plant height; polyphenols; seed treatment; soil; tomatoes
- Abstract:
- ... Tomato crops faced dangerous problems due to their attack by Fusarium oxysporum f. sp. lycopersici, the causing agent of wilt disease. Chemical treatments of such diseases caused many hazardous impacts to soil and human. For this reason, the biological control is considered as an alternative and sustainable tool for curing several plant diseases. The present work is undertaken with the aim of trea ...
- DOI:
- 10.1016/j.bcab.2021.102185
- https://doi.org/10.1016/j.bcab.2021.102185
- Author:
- Geraldo Ferreira David; Sarah de Paiva Silva Pereira; Sergio Antonio Fernandes; Diana Catalina Cubides-Roman; Rogério Krohling Siqueira; Victor Haber Perez; Valdemar Lacerda
- Source:
- Waste management 2021 v.126 pp. 274-282
- ISSN:
- 0956-053X
- Subject:
- Cenchrus purpureus; biomass; catalysts; cellulose; chlorides; coir; gas chromatography-mass spectrometry; lignin; niobium; oxalates; pyrolysis; rice hulls; solvents; sugarcane bagasse; temperature; value added; waste management
- Abstract:
- ... Levoglucosan (LGA) is a promising chemical platform derived from the pyrolysis of biomass that offers access to a variety of value-added products. We report an efficient route to produce LGA via the pretreatment of biomass with niobium compounds (oxalate, chloride and oxide) followed by fast pyrolysis coupled with gas chromatography-mass spectrometry (Py-GC–MS) at temperatures of 350–600 °C. Catal ...
- DOI:
- 10.1016/j.wasman.2021.03.016
- https://doi.org/10.1016/j.wasman.2021.03.016
- Author:
- Priyank N. Shah; Mahesh J. Thalavitiya Acharige; Namjoon Kim; David K. Ryan; William DeSisto; Yongwoo Lee
- Source:
- Waste and biomass valorization 2021 v.12 no.2 pp. 985-994
- ISSN:
- 1877-2641
- Subject:
- biomass; bisphenol A; feedstocks; gas chromatography-mass spectrometry; lignin; nuclear magnetic resonance spectroscopy; phenol; pyrolysis; reversed-phase high performance liquid chromatography; temperature; wastes
- Abstract:
- ... Isolation of high-value chemicals from lignin has been a field of interest over the last few decades driven by growing environmental concerns. This study reports isolation of pyrolysate from the lab scale setup and further purification of it to be used in synthesis of bisphenol A (BPA), a high value building block used in a wide range of plastic materials. Kraft lignin from three different feedsto ...
- DOI:
- 10.1007/s12649-020-01032-2
- https://doi.org/10.1007/s12649-020-01032-2
- Author:
- Nur Atikah Ahmad Latiffi; Radin Maya Saphira Radin Mohamed; Adel Al‐Gheethi; RM Tajuddin
- Source:
- Journal of chemical technology and biotechnology 2021 v.96 no.1 pp. 254-261
- ISSN:
- 0268-2575
- Subject:
- Scenedesmus; administrative management; alum; ammonia; biomass; biotechnology; byproducts; chemical analysis; chemical oxygen demand; coagulants; extraction; filtration; flocculation; gas chromatography-mass spectrometry; harvesting; industry; information; meat processing; meat production; microorganisms; moieties; nutrients; orthophosphates; pH; total nitrogen; total phosphorus; toxicity; wastewater
- Abstract:
- ... Meat production is associated with the generation of huge quantities of meat processing wastewater (MPWW) which has high concentrations of nutrients. The utilization of Scenedesmus sp. in the phycoremediation process to treat MPWW has attracted growing interest, but there is inadequate information on the management of biomass of this micro‐organism. This study aims to optimize the harvesting of Sc ...
- DOI:
- 10.1002/jctb.6536
- https://doi.org/10.1002/jctb.6536
- Author:
- Kun Zhang; Liumei Yang; Qing Li; Rui Li; Dongping Zhang; Wen Xu; Jialiang Feng; Qiongqiong Wang; Wu Wang; Ling Huang; Elly Arukulem Yaluk; Yangjun Wang; Jian Zhen Yu; Li Li
- Source:
- Science of the total environment 2021 v.789 pp. 148070
- ISSN:
- 0048-9697
- Subject:
- adults; aerosols; alkanes; autumn; biomass; carbon; cluster analysis; coal; desorption; diurnal variation; environment; gas chromatography-mass spectrometry; gasoline; health effects assessments; lunch; particulates; risk; summer; traffic; China; Yangtze River
- Abstract:
- ... Fine particulate matter (PM₂.₅)-bound nonpolar organic compounds (NPOCs), including polycyclic aromatic hydrocarbons (PAHs) and alkanes, are commonly used as typical molecular markers for detailed source identification. Online thermal desorption aerosol gas chromatography–mass spectrometry (TAG) system can obtain ambient data with hourly resolution, which is of great importance for investigating t ...
- DOI:
- 10.1016/j.scitotenv.2021.148070
- https://doi.org/10.1016/j.scitotenv.2021.148070
- Author:
- Ilkay Acıkgoz-Erkaya; Gulay Bayramoglu; Aydin Akbulut; Mehmet Yakup Arica
- Source:
- Biotechnology and bioprocess engineering 2021 v.26 no.5 pp. 827-840
- ISSN:
- 1226-8372
- Subject:
- Candida rugosa; algae; algal oils; biodiesel; biomass; bioprocessing; biotechnology; carbon; carboxylic ester hydrolases; chemical bonding; chloroform; coprecipitation; fatty acid methyl esters; gas chromatography-mass spectrometry; hot springs; hydrolysis; magnetism; methanol; solvents; transesterification
- Abstract:
- ... Biodiesel is a renewable fuel used mainly in diesel engines. At the present time, biodiesel is largely produced by acid or alkali transesterification reactions. A hot spring water algae isolate “Kamptonema formosum” was cultivated at three different temperatures, and the algae oil was extracted using chloroform and methanol (v/v, 1/1 ratio) as the solvent. The maximum amount of algal biomass (1.86 ...
- DOI:
- 10.1007/s12257-020-0387-9
- https://doi.org/10.1007/s12257-020-0387-9
- Author:
- Chukwujindu M. A. Iwegbue; Ejiroghene F. Kekeke; Godswill O. Tesi; Chijioke Olisah; Francis E. Egobueze; Etanuro Chukwu-Madu; Bice S. Martincigh
- Source:
- Archives of environmental contamination and toxicology 2021 v.81 no.2 pp. 210-226
- ISSN:
- 0090-4341
- Subject:
- biomass; carcinogenicity; charcoal; environmental assessment; environmental protection; gas chromatography-mass spectrometry; guidelines; human health; land use; multivariate analysis; mutagens; pollution; risk; soil quality; toxicology; traffic; wood; Nigeria
- Abstract:
- ... The concentrations of the sixteen United States Environmental Protection Agency polycyclic aromatic hydrocarbons (PAHs) were determined in dusts from different land-use types in Benin City by means of gas chromatography–mass spectrometry. The results obtained were used to assess the ecological and human health risk and to determine the source apportionment. The Ʃ16 PAH concentrations in dusts from ...
- DOI:
- 10.1007/s00244-021-00861-z
- https://doi.org/10.1007/s00244-021-00861-z
- Author:
- José Gonzalez-Rivera; Celia Duce; Beatrice Campanella; Luca Bernazzani; Carlo Ferrari; Eleonora Tanzini; Massimo Onor; Iginio Longo; Julian Cabrera Ruiz; Maria Rosaria Tinè; Emilia Bramanti
- Source:
- Industrial crops and products 2021 v.161 pp. 113203
- ISSN:
- 0926-6690
- Subject:
- Fourier transform infrared spectroscopy; biomass; calorimetry; cellulose; chemometrics; cloves; combustion; cosmetics; diodes; energy; enthalpy; essential oils; fluorescence; fuel production; gas chromatography-mass spectrometry; headspace analysis; hemicellulose; hydrodistillation; least squares; lignin; lignocellulose; liquid chromatography; market prices; polyphenols; quantitative analysis; thermogravimetry; traditional medicine; vegetables
- Abstract:
- ... Clove buds is a spice of relevance in food, traditional medicine, pharmaceutics and cosmetics and, among the spices, they have the highest content of total polyphenols with exceptional antiviral and antimicrobial properties. Various approaches have been reported for the isolation of essential oil from clove buds. Nonetheless, the qualitative and quantitative analysis of hydrosoluble polyphenols an ...
- DOI:
- 10.1016/j.indcrop.2020.113203
- https://doi.org/10.1016/j.indcrop.2020.113203
- Author:
- Zezhong Zhang; Shangran Ning; Qingbo Li; Meiling Sun; Jianguo Lin; Xiaofeng Wang
- Source:
- Chemosphere 2021 v.278 pp. 130453
- ISSN:
- 0045-6535
- Subject:
- Pinus sylvestris; anthracenes; bamboos; benzopyrenes; biomass; cellulose; corn cobs; corn stover; fluorenes; gas chromatography-mass spectrometry; lignin; liquid-liquid extraction; naphthalene; phenanthrenes; pyrolysis; rice hulls; risk; risk assessment; sawdust; temperature; toxicity; wood
- Abstract:
- ... A method quantifying 16 polycyclic aromatic hydrocarbons (PAHs) in wood vinegars (WVs) obtained from slow pyrolysis of biomass with ultrasonic-assisted liquid-liquid extraction/gas chromatography-mass spectrometry (USALLE/GC-MS) was established. The recovery range was 83–128%, and the relative standard deviations (RSD%) were less than 15% except naphthalene, acenaphthylene and acenaphthene. Acenap ...
- DOI:
- 10.1016/j.chemosphere.2021.130453
- https://doi.org/10.1016/j.chemosphere.2021.130453
- Author:
- Renato O. Arazo; Sergio C. Capareda; Bjorn Ivan G. Ofrasio; Alexander L. Ido; Wei-Hsin Chen; Mark Daniel G. de Luna
- Source:
- Environmental technology & innovation 2021 v.21 pp. 101266
- ISSN:
- 2352-1864
- Subject:
- Fourier transform infrared spectroscopy; alkenes; biodiesel; biomass; carbon; catalysts; environmental technology; esterification; ethanol; gas chromatography-mass spectrometry; hydrogenation; hydrolysis; liquids; nitriles; oils; pyrolysis; sewage sludge
- Abstract:
- ... Sewage sludge is a promising biomass alternative for the production of liquid biofuels. In this study, bio-oil derived from the fast pyrolysis of domestic sewage sludge was upgraded in a micro Robinson–Mahoneyreactor at 4 MPa and 260 °C, and in the presence of hybridized Ni/HZSM-5 catalyst and ethanol. Fourier transform infrared and gas chromatography-mass spectrometry analyses were used to identi ...
- DOI:
- 10.1016/j.eti.2020.101266
- https://doi.org/10.1016/j.eti.2020.101266
- Author:
- Victoria Vorobyova; Margarita Skiba
- Source:
- Waste and biomass valorization 2021 v.12 no.8 pp. 4623-4641
- ISSN:
- 1877-2641
- Subject:
- atomic force microscopy; biomass; corrosion; cost effectiveness; density functional theory; electrochemistry; exposure duration; flavonoids; gas chromatography-mass spectrometry; high performance liquid chromatography; peaches; pomace; pomace extracts; quantum mechanics; steel; wastes
- Abstract:
- ... Peach pomace hydroalcoholic extract (PPE) was evaluated as “green” corrosion inhibitor in neutral media of 0.5 M NaCl solution. Gas chromatography mass spectrometry (GC–MS) and High performance liquid chromatography (HPLS) analysis was used to identify the main components of PPE. Total phenolic (TPC) and total flavonoid compounds (TFC) were assayed. Weight assessment, potentiodynamic polarisation ...
- DOI:
- 10.1007/s12649-020-01333-6
- https://doi.org/10.1007/s12649-020-01333-6
- Author:
- Nafila Zouaghi; Nour El Houda Bensiradj; Carlos Cavaleiro; Boubekeur Nadjemi; Mohamed Trari
- Source:
- Waste and biomass valorization 2021 v.12 no.7 pp. 3605-3616
- ISSN:
- 1877-2641
- Subject:
- Bacillus subtilis; Candida albicans; Escherichia coli; Fraxinus angustifolia; Pseudomonas aeruginosa; Saccharomyces cerevisiae; Staphylococcus aureus; agar; biomass; chemical composition; gas chromatography-mass spectrometry; hydrodistillation; phytochemicals; wastes; yeasts; Algeria
- Abstract:
- ... We investigated experimentally the composition of volatile isolates from the leaves and seeds of fraxinus angustifolia Vahl and their antimicrobial activity. The experimental work was supported by a theoretical study, using the Functional Density Theory. The calculations were performed at the B3LYP/6–31 g-d, p), in order to determine the structures of major volatile compounds and the different des ...
- DOI:
- 10.1007/s12649-020-01240-w
- https://doi.org/10.1007/s12649-020-01240-w
- Author:
- Ester Mazepa; Barbara V. Malburg; Gilda Mógor; Amanda C. de Oliveira; Juliana O. Amatussi; Diego O. Corrêa; Jacqueline S. Lemos; Diogo R.B. Ducatti; Maria Eugênia R. Duarte; Átila F. Mógor; Miguel D. Noseda
- Source:
- Algal research 2021 v.59 pp. 102434
- ISSN:
- 2211-9264
- Subject:
- Ascophyllum nodosum; Desmodesmus; Solanum lycopersicum; biomass; dialysis; foliar spraying; gas chromatography-mass spectrometry; gel chromatography; glycosides; hypocotyls; microalgae; nuclear magnetic resonance spectroscopy; research; root growth; seed germination; tomatoes; zeatin
- Abstract:
- ... The plant biostimulant activity of the green microalga Desmodesmus subspicatus was investigated, focusing on its potential application to organic crops. Different concentrations of D. subspicatus biomass suspensions were applied to tomato seedlings (Solanum lycopersicum) via a foliar spray. The treatments promoted root growth and foliar area, which increased when the suspension was applied at conc ...
- DOI:
- 10.1016/j.algal.2021.102434
- https://doi.org/10.1016/j.algal.2021.102434
- Author:
- Chukwujindu M.A. Iwegbue; Gideon O. Irerhievwie; Godswill O. Tesi; Chijioke Olisah; Godwin E. Nwajei; Bice S. Martincigh
- Source:
- Marine pollution bulletin 2021 v.167 pp. 112351
- ISSN:
- 0025-326X
- Subject:
- biomass; gas chromatography-mass spectrometry; gasoline; human health; marine pollution; molecular weight; natural gas; oils; river deltas; rivers; Niger; Nigeria
- Abstract:
- ... This study assessed the concentrations, sources, and risks of polycyclic aromatic hydrocarbons (PAHs) in sediments from the Rivers Niger, Ase and Forcados in the western Niger Delta. The concentrations of PAHs (in μg kg⁻¹ dry weight), as determined by gas chromatography–mass spectrometry, in sediments from these rivers varied from 2400 to 19,000, 2930 to 16,100, and from 1620 to 19,800 for the Nig ...
- DOI:
- 10.1016/j.marpolbul.2021.112351
- https://doi.org/10.1016/j.marpolbul.2021.112351
- Author:
- Ping Chen; Jing Liang
- Source:
- Journal of soils and sediments 2021 v.21 no.2 pp. 967-977
- ISSN:
- 1439-0108
- Subject:
- biomass; carcinogenicity; coal; combustion; gas chromatography-mass spectrometry; gasoline; green infrastructure; human health; models; natural gas; oils; risk; risk assessment; risk management; soil remediation; solvents; volatilization; woodlands; China
- Abstract:
- ... PURPOSE: The purpose of this study is to study the major sources, concentrations, and distributions of polycyclic aromatic hydrocarbons (PAHs) in three different types of green space in Shanghai. In addition, we will quantitatively assess the burden of PAHs in the soil, as well as the potential carcinogenic risk of PAHs in humans. These results will provide valuable information for soil remediatio ...
- DOI:
- 10.1007/s11368-020-02838-2
- https://doi.org/10.1007/s11368-020-02838-2
- Author:
- Avnish Kumar; Bijoy Biswas; Ramandeep Kaur; Bhavya B. Krishna; Bhaskar Thallada
- Source:
- Environmental technology & innovation 2021 v.23 pp. 101735
- ISSN:
- 2352-1864
- Subject:
- Eichhornia crassipes; adverse effects; aquatic organisms; biomass; ecological balance; energy; environmental technology; feedstocks; gas chromatography-mass spectrometry; heterocyclic compounds; lakes; phenolic compounds; pyrolysis; India
- Abstract:
- ... Utilization of biomass has gathered significant attention to overcome the increasing demand for energy in an environmentally friendly and sustainable manner. In India, the growth of paragrass, phumdi, and water hyacinth in Loktak-lake creates an adverse effect on ecological stability and affects the aquatic life inside the lake. Therefore, there is a need to develop suitable processes for its effe ...
- DOI:
- 10.1016/j.eti.2021.101735
- https://doi.org/10.1016/j.eti.2021.101735
- Author:
- Roman Pavela; Filippo Maggi; Eugenia Mazzara; Jacopo Torresi; Kevin Cianfaglione; Giovanni Benelli; Angelo Canale
- Source:
- Industrial crops and products 2021 v.168 pp. 113590
- ISSN:
- 0926-6690
- Subject:
- Culex quinquefasciatus; Cupressocyparis leylandii; Cupressus arizonica; Cupressus lusitanica; Juniperus chinensis; Juniperus communis; Musca domestica; Picea abies; Pinus halepensis; Pinus sylvestris; Spodoptera littoralis; biodiesel; biomass; bioplastics; borneol; bornyl acetate; camphene; chemical composition; circular economy; conifers; drugs; essential oils; females; flame ionization; gas chromatography-mass spectrometry; hydrodistillation; insecticidal properties; insecticides; limonene; liquids; longevity; males; mosquito vectors; moths; paper; sabinene; sesquiterpenoids; steam; waste disposal; Italy
- Abstract:
- ... Conifers are of high economic importance due to their exploitation for timber, gardening and landscaping, construction and paper, varnishes, adhesives and waterproof coatings, perfumes and pharmaceuticals, bioplastics and biodiesel. They are endowed in all parts with secretory channels producing a semi-solid resin and a liquid fraction composed of a mixture of monoterpenes and sesquiterpenes, whic ...
- DOI:
- 10.1016/j.indcrop.2021.113590
- https://doi.org/10.1016/j.indcrop.2021.113590
- Author:
- Q. Guo; Y. Sun; M. Shi; X. Han; Y. Jing; Y. Li; H. Li; H. Lai
- Source:
- Plant and soil 2021 v.462 no.1-2 pp. 141-158
- ISSN:
- 0032-079X
- Subject:
- Pseudomonas koreensis; RNA; biomass; biosynthesis; gas chromatography-mass spectrometry; gene expression regulation; growth promotion; indole acetic acid; leaf chlorophyll content; liquid chromatography; metabolites; metabolomics; phenylalanine ammonia-lyase; phenylpropanoids; plant growth; plant growth-promoting rhizobacteria; polyphenols; proline; soil; stress tolerance; tomatoes; transcriptomics
- Abstract:
- ... AIMS : Pseudomonas koreensis, a subgroup of the P. fluorescens complex, is a potential plant growth-promoting rhizobacterium. This study explored the mechanisms of plant growth promotion by P. koreensis and its potential to induce stress tolerance in tomato. METHODS: Tomato plants in pots were inoculated with P. koreensis GS and cultured for 60 days. RNA sequencing and gas chromatography-mass spec ...
- DOI:
- 10.1007/s11104-021-04837-9
- https://doi.org/10.1007/s11104-021-04837-9
57. Removal of aspirin from aqueous solution using electroactive bacteria induced by alternating current
- Author:
- Zohreh Moghiseh; Abbas Rezaee
- Source:
- Environmental science and pollution research 2021 v.28 no.20 pp. 25327-25338
- ISSN:
- 0944-1344
- Subject:
- aqueous solutions; aspirin; biodegradation; biomass; bioreactors; cell viability; electric potential difference; enzyme activity; gas chromatography-mass spectrometry; laccase; liquid chromatography; optical fibers; permeability; pollution; research
- Abstract:
- ... This study aims to improve bacterial laccase enzyme activity (LEA) and dehydrogenase activity (DHA) affecting acetylsalicylic acid (ASA) biodegradation using an alternating current (AC). A microbial consortium was inoculated in an electroactive bioreactor supplied with an AC by a function generator under operating conditions of amplitude (AMPL) = 2–10 peak-to-peak voltage (Vₚₚ), optical fiber spli ...
- DOI:
- 10.1007/s11356-020-11365-z
- https://doi.org/10.1007/s11356-020-11365-z
- Author:
- Bijoy Biswas; Aishwarya Arun Kumar; Yashasvi Bisht; Bhavya B. Krishna; Jitendra Kumar; Thallada Bhaskar
- Source:
- Energy 2021 v.217 pp. 119330
- ISSN:
- 0360-5442
- Subject:
- Azolla filiculoides; Fourier transform infrared spectroscopy; aromatic compounds; biofuels; biomass; energy; ethanol; gas chromatography-mass spectrometry; hydrothermal liquefaction; methanol; nuclear magnetic resonance spectroscopy; solvents; temperature; total nitrogen; total organic carbon
- Abstract:
- ... The effects of temperatures (260–300 °C), reaction times (15–60 min), and various solvents including water (H₂O), methanol (CH₃OH), and ethanol (C₂H₅OH) were studied on hydrothermal liquefaction (HTL) of Azolla filiculoides. The products distribution in terms of bio-oil and bio-residue and its characterization were investigated. It was observed that the bio-oil yield significantly increased to 21. ...
- DOI:
- 10.1016/j.energy.2020.119330
- https://doi.org/10.1016/j.energy.2020.119330
- Author:
- Dan Yao; Guiqian Tang; Yinghong Wang; Yuan Yang; Lili Wang; Tianzeng Chen; Hong He; Yuesi Wang
- Source:
- Journal of environmental sciences (China) 2021 v.104 pp. 169-181
- ISSN:
- 1001-0742
- Subject:
- acetylene; air; alkenes; aromatic compounds; biomass; carbon disulfide; coal; combustion; diurnal variation; evaporation; flame ionization; gas chromatography-mass spectrometry; gasoline; ozone; pollution; solvents; spectrometers; spring; transportation; volatile organic compounds; China
- Abstract:
- ... High values of ozone (O₃) occur frequently in the dry spring season; thus, understanding the evolution characteristics of volatile organic compounds (VOCs) in spring is of great significance for preventing O₃ pollution. In this study, a total of 101 VOCs from April 16 to May 21, 2019, were quantified using an online gas chromatography mass spectrometer/flame ionization detector (GCMS/FID). The res ...
- DOI:
- 10.1016/j.jes.2020.11.023
- https://doi.org/10.1016/j.jes.2020.11.023
- Author:
- Kanagavel Susithra; Kannan Badri Narayanan; Uthandakalaipandian Ramesh; Chellaiah Edward Raja; Gandhi Premkumar; Govindaraju Varatharaju; Arunachalam Vijayakumar; Marikani Kannan; Kaniappan Rajarathinam
- Source:
- Waste and biomass valorization 2021 v.12 no.12 pp. 6709-6725
- ISSN:
- 1877-2641
- Subject:
- Bacillus circulans; Fourier transform infrared spectroscopy; Sudan dyes; Taguchi method; alkali treatment; ammonium chloride; biodegradability; biomass; biosynthesis; carbon; cost effectiveness; energy; feedstocks; gas chromatography-mass spectrometry; glucose; glycerol; industry; lignocellulose; nuclear magnetic resonance spectroscopy; nucleotide sequences; pH; peptones; phylogeny; plastics; potassium dihydrogen phosphate; sequence homology; soil; spent mushroom compost; sugarcane bagasse; thermogravimetry; ultraviolet-visible spectroscopy; vegetable oil
- Abstract:
- ... Poly-β-hydroxybutyrate (PHB) belonging to the polyhydroxyalkanoates family is a natural polyester used as a biodegradable plastic for various commercial applications. In this study, soil samples from the vegetable oil processing industry were used to screen for PHB-producing bacteria using Sudan black B staining. Among the isolated bacteria, PHB positive PSR-2 isolate was chosen as a potent PHB pr ...
- DOI:
- 10.1007/s12649-021-01460-8
- https://doi.org/10.1007/s12649-021-01460-8
- Author:
- Chang Yu; Min Liang; Su-Yi Dai; Hai-Jun Cheng; Li Ma; Fang Lai; Xiong-Min Liu; Wei-Guang Li
- Source:
- RSC advances 2021 v.11 no.52 pp. 32654-32670
- ISSN:
- 2046-2069
- Subject:
- absorption; alcohols; benzaldehyde; benzoic acid; biomass; cinnamic acid; gas chromatography-mass spectrometry; nitrogen; oxidation; oxygen; perfumes; peroxide value; temperature; thermal stability
- Abstract:
- ... Cinnamaldehyde, cinnamyl alcohol, β-methylstyrene and cinnamic acid are four important biomass 3-phenyl-2-propene compounds. In the field of perfume and organic synthesis, their thermal stability and oxidation pathways deserve attention. This paper reports a new attempt to investigate the thermal stability and reactivity by a custom-designed mini closed pressure vessel test (MCPVT). The pressure a ...
- DOI:
- 10.1039/d1ra04836h
- https://doi.org/10.1039/d1ra04836h
- Author:
- Ji-Hyun Kim; Shoshana Didi-Cohen; Inna Khozin-Goldberg; Dina Zilberg
- Source:
- Algal research 2021 v.58 pp. 102426
- ISSN:
- 2211-9264
- Subject:
- Gyrodactylus turnbulli; Phaeodactylum tricornutum; Poecilia reticulata; Streptococcus iniae; Vibrio harveyi; algae; antibacterial properties; antiparasitic agents; antiparasitic properties; aquaculture; biomass; eicosapentaenoic acid; emulsifiers; ethanol; farmed fish; fatty acid composition; gas chromatography-mass spectrometry; human health; morbidity; mortality; parasites; pathogens; research; sonication; thin layer chromatography
- Abstract:
- ... Monogenean parasites impose a major constraint on sustainable aquacultural production and trade due to fish morbidity and mortality. Traditional chemical treatments carry environmental and human health risks and are frequently banned in aquaculture; associated development of pathogen resistance is also common. These highlight the need for alternative. The pennate diatom Phaeodactylum tricornutum i ...
- DOI:
- 10.1016/j.algal.2021.102426
- https://doi.org/10.1016/j.algal.2021.102426
- Author:
- Shasha Liu; Gang Wu; Yi Gao; Bin Li; Yu Feng; Jianbin Zhou; Xun Hu; Yong Huang; Shu Zhang; Hong Zhang
- Source:
- Renewable energy 2021 v.174 pp. 538-546
- ISSN:
- 0960-1481
- Subject:
- biochar; biofuels; biomass; catalysts; catalytic activity; cellulose; gas chromatography-mass spectrometry; hemicellulose; liquids; phenol; pyrolysis; sawdust; temperature
- Abstract:
- ... To understand the catalytic upgrading of bio-oil over char-based catalyst, pyrolysis of pine sawdust with various char catalysts under different reaction temperatures was performed in a fixed-bed reactor, from which the liquid product was analyzed with gas chromatography-mass spectrometry (GC/MS). The main pyrolytic liquids were ketones and acids in the non-catalytic pyrolysis run, which were main ...
- DOI:
- 10.1016/j.renene.2021.04.085
- https://doi.org/10.1016/j.renene.2021.04.085
- Author:
- Kay Moisan; Jos M. Raaijmakers; Marcel Dicke; Dani Lucas‐Barbosa; Viviane Cordovez
- Source:
- Plant, cell and environment 2021 v.44 no.1 pp. 339-345
- ISSN:
- 0140-7791
- Subject:
- Brassica rapa; Thanatephorus cucumeris; biomass; environment; gas chromatography-mass spectrometry; lateral roots; olfactometers; pathogens; root growth; saprophytes; soil; volatile organic compounds
- Abstract:
- ... Volatiles play major roles in mediating ecological interactions between soil (micro)organisms and plants. It is well‐established that microbial volatiles can increase root biomass and lateral root formation. To date, however, it is unknown whether microbial volatiles can affect directional root growth. Here, we present a novel method to study belowground volatile‐mediated interactions. As proof‐of ...
- DOI:
- 10.1111/pce.13890
- https://doi.org/10.1111/pce.13890
- Author:
- Muhammad Sajjad Ahmad; Hui Liu; Hesham Alhumade; Muddasar Hussain Tahir; Gülce Çakman; Ağah Yıldız; Selim Ceylan; Ali Elkamel; Boxiong Shen
- Source:
- Energy conversion and management 2020 v.221 pp. 113173
- ISSN:
- 0196-8904
- Subject:
- Fourier transform infrared spectroscopy; activation energy; administrative management; alcohols; aldehydes; biofuels; biomass; energy conversion; gas chromatography-mass spectrometry; kinetics; neural networks; pyrolysis; thermogravimetry
- Abstract:
- ... Biomass is deemed to be an important contributor to satisfy our energy, chemicals and material requirements throughout the world. The present study aimed to study the bioenergy potential of Staghorn Sumac (SS) through modified distributed activation energy model (DAEM), kinetic models, thermogravimetric analyzer, elemental analyzer, Fourier transform infrared spectrometry (FTIR) and gas chromatogr ...
- DOI:
- 10.1016/j.enconman.2020.113173
- https://doi.org/10.1016/j.enconman.2020.113173
- Author:
- Kanit Soongprasit; Supawan Vichaphund; Viboon Sricharoenchaikul; Duangduen Atong
- Source:
- Waste and biomass valorization 2020 v.11 no.2 pp. 715-724
- ISSN:
- 1877-2641
- Subject:
- Millettia; biofuels; biomass; catalysts; catalytic activity; coal; combustion; fly ash; gas chromatography-mass spectrometry; hydrocarbons; landfills; oleic acid; pyrolysis; toxicity; vapors; wastes; zeolites
- Abstract:
- ... Fly ash (FA), a by-product of coal combustion, is considered as waste due to its high content of lime and other impurities and is either disposed of in landfills or recycled. Utilization of waste FA as a starting material for the synthesis of zeolite catalysts is a promising solution to reuse this waste. Meanwhile, de-oiled Millettia (Pongamia) pinnata seed waste (PPW) is produced in large amounts ...
- DOI:
- 10.1007/s12649-019-00709-7
- https://doi.org/10.1007/s12649-019-00709-7
- Author:
- Yulin Hu; Zicheng Gu; Wenbin Li; Chunbao (Charles) Xu
- Source:
- Biomass and bioenergy 2020 v.134 pp. 105485
- ISSN:
- 0961-9534
- Subject:
- Fourier transform infrared spectroscopy; biofuels; biomass; boiling point; catalysts; catalytic activity; ethanol; feedstocks; gas chromatography-mass spectrometry; liquefaction; molecular weight; petroleum; sawdust; sodium carbonate; sodium hydroxide; solvents; thermogravimetry
- Abstract:
- ... In this study, pinewood sawdust was liquefied in either ethanol/water co-solvents (50/50, wt./wt.) or pure water at 300 °C for 30 min and 10 wt% of feedstock loading, with or without the use of Na₂CO₃ or NaOH as a catalyst. The physical and chemical properties of liquefaction products (bio-crude oil and solid residue) were comprehensively characterized by FT-IR, GC-MS, elemental, GPC and TGA analy ...
- DOI:
- 10.1016/j.biombioe.2020.105485
- https://doi.org/10.1016/j.biombioe.2020.105485
- Author:
- Bo-Jhih Lin; Wei-Hsin Chen; Yu-Ying Lin; Jo-Shu Chang; Abid Farooq; Yashvir Singh; Hwai Chyuan Ong; Pau Loke Show
- Source:
- Bioresource technology 2020 v.301 pp. 122774
- ISSN:
- 0960-8524
- Subject:
- Actinobacillus succinogenes; bacteria; biochar; bioeconomics; biomass; combustion; energy; gas chromatography-mass spectrometry; lignite; pyrolysis; pyrolysis oils; temperature; thermal properties; torrefaction
- Abstract:
- ... The thermal characteristics of Actinobacillus succinogenes (AS) from pyrolysis, torrefaction, and combustion are analyzed to evaluate the potential of this biomass as a renewable fuel. AS pyrolysis can be classified into four stages, and its main decomposition zone is at 200–500 °C. The solid yield of AS after 60 min torrefaction is over 60 wt%, and the torrefaction severity index map indicates th ...
- DOI:
- 10.1016/j.biortech.2020.122774
- https://doi.org/10.1016/j.biortech.2020.122774
- Author:
- Jimiao Long; Lei Deng; Defu Che
- Source:
- Renewable energy 2020 v.155 pp. 1070-1078
- ISSN:
- 0960-1481
- Subject:
- alkanes; aromatic hydrocarbons; biomass; corn stover; corrosion; dibutyl phthalate; fouling; gas chromatography-mass spectrometry; heterocyclic compounds; leachates; potassium; renewable energy sources; rice hulls; sodium; sorghum stalks; temperature; washing; wheat straw
- Abstract:
- ... Water washing on biomass can effectively remove K, Na and Cl, which will cause serious problems such as fouling, slagging and corrosion during thermal conversion processes of biomass. But amounts of leachates remain to be disposed. Investigating the organics release will be helpful to the leachate disposal. In this study, four types of biomass are water washed at different temperatures. The organi ...
- DOI:
- 10.1016/j.renene.2020.04.033
- https://doi.org/10.1016/j.renene.2020.04.033
- Author:
- Shengnan Zhao; Zhiyong Li; Zhengxin Zhou; Lifeng Xu; Shihao He; Yueming Dou; Xuejun Cui; Shiji Kang; Yan Gao; Yan Wang
- Source:
- Pesticide biochemistry and physiology 2020 v.163 pp. 263-270
- ISSN:
- 0048-3575
- Subject:
- Fusarium oxysporum; aldehydes; antifungal properties; benzene; bioassays; biomass; chemical composition; corn; corn stover; esters; furans; gas chromatography-mass spectrometry; growth retardation; ketones; leaves; liquefaction; nitrogen; organic acids and salts; phenols; plant pathogens; production technology; stems; temperature; water solubility
- Abstract:
- ... Cornstalks are the leftover leaves and stems in a field after corn harvest. They are a potential biomass resource but are underutilized in agricultural production systems. To examine the chemical components in cornstalks and their corresponding functions, blocky cornstalks were treated in water at temperatures of 190, 210, 230, 250, and 270 °C in a high-pressure reactor. Water-soluble products (WS ...
- DOI:
- 10.1016/j.pestbp.2019.11.023
- https://doi.org/10.1016/j.pestbp.2019.11.023
- Author:
- Natália da Silva Bomfim; Cássia Yumie Kohiyama; Lydiana Pollis Nakasugi; Samuel Botião Nerilo; Simone Aparecida Galerani Mossini; Jéssica Cristina Zoratto Romoli; Jane Martha Graton Mikcha; Benício Alves de Abreu Filho; Miguel Machinski Jr
- Source:
- Food additives & contaminants 2020 v.37 no.1 pp. 153-161
- ISSN:
- 1944-0057
- Subject:
- Aspergillus flavus; Rosmarinus officinalis; aflatoxin B1; aflatoxin B2; agricultural management; alpha-pinene; antifungal properties; biomass; biosynthesis; camphor; chemical residues; cineole; conidiophores; ergosterol; essential oils; fungicides; gas chromatography-mass spectrometry; hydrodistillation; hyphae; liver diseases; minimum inhibitory concentration; mycelium; neoplasms; nuclear magnetic resonance spectroscopy; rosemary; scanning electron microscopy
- Abstract:
- ... The increased risk to health by diverse pathologies, such as cancer, liver diseases, and endocrine alterations, caused by chemical residues in food, has led to the search for sustainable agricultural management alternatives, such as the use of essential oils for the development of natural and eco-friendly fungicides. The aim of this study was to evaluate the antifungal and antiaflatoxigenic activi ...
- DOI:
- 10.1080/19440049.2019.1678771
- https://doi.org/10.1080/19440049.2019.1678771
- Author:
- Barbara Vargas da Rosa; Kátia Regina Kuhn; Gustavo Andrade Ugalde; Giovani Leone Zabot; Raquel Cristine Kuhn
- Source:
- Bioprocess and biosystems engineering 2020 v.43 no.1 pp. 133-141
- ISSN:
- 1615-7591
- Subject:
- 2,2-diphenyl-1-picrylhydrazyl; Diaporthe; antioxidant activity; antioxidants; biomass; carbon dioxide; chemical composition; endophytes; ethanol; fungi; gas chromatography-mass spectrometry; secondary metabolites; submerged fermentation; temperature
- Abstract:
- ... Endophytic fungi have been highlight in the production of secondary metabolites with different bioactive properties, such as in the production of the antioxidant compounds. Therefore, the objective of this work was the extraction of the antioxidant compounds from the biomass of Diaporthe schini using supercritical carbon dioxide (CO₂) without and with ethanol as cosolvent. The biomass was produced ...
- DOI:
- 10.1007/s00449-019-02211-9
- https://doi.org/10.1007/s00449-019-02211-9
- Author:
- Zhaolian Ye; Yu Zhuang; Yantong Chen; Zhuzi Zhao; Shuaishuai Ma; Hongying Huang; Yanfang Chen; Xinlei Ge
- Source:
- Atmospheric environment 2020 v.223 pp. 117240
- ISSN:
- 1352-2310
- Subject:
- aerosols; biomass; combustion; elemental composition; eugenol; formic acid; gas chromatography-mass spectrometry; glycolic acid; hydroxyl radicals; hydroxylation; lighting; malic acid; oligomerization; optical properties; oxalic acid; photochemistry; reaction mechanisms; solar radiation; soot; spectrometers; total organic carbon; ultraviolet radiation; ultraviolet-visible spectroscopy
- Abstract:
- ... This work performed a systematic investigation on the aqueous hydroxyl radical (OH) - induced photochemical oxidation of three modestly-soluble precursors from biomass combustion including 4-methylsyringol (DMP), eugenol (Eug), and 2,4,6-trimethylphenol (TRMP) under both simulated sunlight and ultraviolet (UV) light irradiations. An Aerodyne soot particle aerosol mass spectrometer (SP-AMS) was use ...
- DOI:
- 10.1016/j.atmosenv.2019.117240
- https://doi.org/10.1016/j.atmosenv.2019.117240
- Author:
- Sarda Devi Thokchom; Samta Gupta; Rupam Kapoor
- Source:
- Industrial crops and products 2020 v.153 pp. 112418
- ISSN:
- 0926-6690
- Subject:
- Ocimum tenuiflorum; Rhizophagus intraradices; antioxidant activity; beta-caryophyllene; biomass; essential oils; eugenol; flavonoids; forage; gas chromatography-mass spectrometry; genotype; germacrene; green tea; leaves; mycorrhizal fungi; nitrogen; oxygen; phenol; polyphenols; principal component analysis; rhizosphere; roots; vesicular arbuscular mycorrhizae
- Abstract:
- ... The increasing interest and demand of Ocimum tenuiflorum L. and its products in different industrial sectors necessitate appropriate cultural practices for cultivation of the plant with increased herbage and essential oil yield. Studies on O. tenuiflorum in relation to arbuscular mycorrhiza are restricted to evaluation of diversity of the mycorrhizal fungi in its rhizosphere or assessment of the a ...
- DOI:
- 10.1016/j.indcrop.2020.112418
- https://doi.org/10.1016/j.indcrop.2020.112418
- Author:
- Muge Isleten Hosoglu; Yonca Karagul-Yuceer; Onur Guneser
- Source:
- Algal research 2020 v.49 pp. 101928
- ISSN:
- 2211-9264
- Subject:
- Crypthecodinium cohnii; alcohols; aldehydes; biomass; cabbage; developmental stages; dimethyl sulfide; esters; feeds; flavor; gas chromatography-mass spectrometry; harvest date; macroalgae; microalgae; nutritive value; odor compounds; odors; olfactometry; potatoes; principal component analysis; sensory evaluation; solid phase microextraction; spinach; styrene; sulfur
- Abstract:
- ... When microalgae are integrated into food and feedstuffs, they can affect their flavor and fragrance characteristics, besides increasing their nutritional value. Solid-phase microextraction-gas chromatography–mass spectrometry, gas chromatography-olfactometry (GCO) and sensory analysis were applied to analyze the volatile compounds of microalgae Crypthecodinium cohnii harvested in different growth ...
- DOI:
- 10.1016/j.algal.2020.101928
- https://doi.org/10.1016/j.algal.2020.101928
- Author:
- Minhaj Uddin Monir; Azrina Abd Aziz; Fatema Khatun; Abu Yousuf
- Source:
- Renewable energy 2020 v.157 pp. 1116-1123
- ISSN:
- 0960-1481
- Subject:
- Clostridium butyricum; bioethanol; biomass; bioreactors; carbon dioxide; carbon monoxide; energy; ethanol production; fermentation; gas chromatography-mass spectrometry; hydrogen; lignocellulose; methane; moieties; nitrogen; nuclear magnetic resonance spectroscopy; synthesis gas
- Abstract:
- ... Biomass-generated syngas conversion through fermentation is a promising technique for bioethanol production due to increasing demand for clean and sustainable energy. However, lignocellulosic biomass is difficult to degrade wholly, and traditional pretreatment process has several drawbacks. The present study emphasizes on bioethanol production from lignocellulosic biomass-based syngas including th ...
- DOI:
- 10.1016/j.renene.2020.05.099
- https://doi.org/10.1016/j.renene.2020.05.099
- Author:
- Cláudia S. Tavares; Alice Martins; M. Leonor Faleiro; M. Graça Miguel; Luís C. Duarte; José A. Gameiro; Luísa B. Roseiro; A. Cristina Figueiredo
- Source:
- Industrial crops and products 2020 v.144 pp. 112034
- ISSN:
- 0926-6690
- Subject:
- Candida albicans; Cistus ladanifer; Cupressus lusitanica; Escherichia coli; Staphylococcus aureus; agar; albumins; alpha-pinene; anti-inflammatory activity; antimicrobial properties; antioxidant activity; biobased products; biomass; camphene; camphor; carene; chemical composition; culture media; cyclohexanones; denaturation; essential oils; forest pests; forests; free radicals; gas chromatography-mass spectrometry; hydrodistillation; hydrosols; landscaping; limonene; markets; metal ions; sabinene; steam distillation; sulfonic acids; superoxide anion; wastes; wildfires; xanthine oxidase; Portugal
- Abstract:
- ... Unattended forest wastes are, among others, a potential source of wildfires, as well as a growth media for forest pests. As a way of lowering the detrimental effect of these wastes, it is important to convert these under-valued resources into a value-generating market forest wastes use. Essential oils (EOs) and hydrolates (Hs) from Cupressus lusitanica and Cistus ladanifer waste products, resultin ...
- DOI:
- 10.1016/j.indcrop.2019.112034
- https://doi.org/10.1016/j.indcrop.2019.112034
- Author:
- Minakshi Gohain; Khairujjaman Laskar; Atanu Kumar Paul; Niran Daimary; Mrutyunjay Maharana; Imon Kalyan Goswami; Anil Hazarika; Utpal Bora; Dhanapati Deka
- Source:
- Renewable energy 2020 v.147 pp. 541-555
- ISSN:
- 0960-1481
- Subject:
- Carica papaya; Fourier transform infrared spectroscopy; Scenedesmus obliquus; X-ray diffraction; alkaline earth metals; biodiesel; biomass; catalysts; chemical bonding; cooking fats and oils; energy-dispersive X-ray analysis; fuel production; gas chromatography-mass spectrometry; kitchen waste; lipids; nuclear magnetic resonance spectroscopy; scanning electron microscopy; transesterification; transmission electron microscopy
- Abstract:
- ... Development of solid mixed oxide catalyst from waste biomass is a scarcely studied area. Thus, present protocol aims to prepare an environmentally friendly, efficient, renewable and recyclable heterogeneous base catalyst from Carica papaya stem. The chemical and structural properties of the catalyst were examined by Fourier-transform infrared spectroscopy (FTIR), X-ray diffractograms (XRD), Scanni ...
- DOI:
- 10.1016/j.renene.2019.09.016
- https://doi.org/10.1016/j.renene.2019.09.016
- Author:
- Yongsheng Fan; Lele Fan; Lei Zhu; Jiawei Wang; Wei Ji; Yixi Cai; Weidong Zhao
- Source:
- BioEnergy research 2020 v.13 no.2 pp. 423-438
- ISSN:
- 1939-1234
- Subject:
- activation energy; aromatic hydrocarbons; aromatization; biomass; catalysts; catalytic activity; chemical structure; gas chromatography-mass spectrometry; oxygen; phenols; phosphotungstic acid; pyrolysis; thermogravimetry; zeolites
- Abstract:
- ... The multi-functional zeolites modified with different phosphotungstic acid (PW) ratios were prepared and characterized. Thermogravimetric tests coupled with kinetics analysis were performed to evaluate catalytic pyrolysis behavior of biomass; The presence of HZSM-5 inhibited the product diffusion, causing a slight delay of pyrolysis; The PW modification made the reaction more complex; reaction ord ...
- DOI:
- 10.1007/s12155-019-10075-w
- https://doi.org/10.1007/s12155-019-10075-w
- Author:
- Isah Yakub Mohammed; Yousif Abdalla Abakr; Robert Mokaya
- Source:
- Waste and biomass valorization 2020 v.11 no.6 pp. 2935-2947
- ISSN:
- 1877-2641
- Subject:
- Cenchrus purpureus; acids; aldehydes; batch systems; biofuels; biomass; carbon dioxide; carbon monoxide; catalysts; catalytic activity; decarboxylation; demethylation; gas chromatography-mass spectrometry; hydrogen; hydrogen production; hydrogenation; lignocellulose; methane; methanol; non-food crops; oils; palladium; platinum; stainless steel
- Abstract:
- ... Lignocellulosic biomass derived from non-food crops cultivated on lands that are increasingly marginal for more favoured major crops is a potential source of sustainable renewable energy. This study explores the transformation of crude organic phase pyrolytic oil derived from Napier grass biomass into high-grade biofuel precursors via hydrodeoxygenation reaction over platinum and palladium catalys ...
- DOI:
- 10.1007/s12649-019-00613-0
- https://doi.org/10.1007/s12649-019-00613-0
- Author:
- Prathiba Rex; Lima Rose Miranda
- Source:
- Environmental science and pollution research international 2020 v.27 no.1 pp. 438-455
- ISSN:
- 0944-1344
- Subject:
- activation energy; aromatic compounds; biomass; catalysts; catalytic activity; fuel production; gas chromatography-mass spectrometry; hydrochloric acid; oils; oxalic acid; polystyrenes; pyrolysis; rice hulls; sulfuric acid; temperature; wastes
- Abstract:
- ... Pyrolysis processes were investigated using expanded polystyrene waste (EPW) with a catalyst synthesized from rice husk (RH). Biomass was treated with different acids, i.e., sulfuric acid, oxalic acid, and hydrochloric acid. The effect of normality on the oxalic acid-treated catalyst and the effects of polymer to catalyst ratio on (i) oil, gas, and residues yields; (ii) temperature; and (iii) time ...
- DOI:
- 10.1007/s11356-019-07034-5
- https://doi.org/10.1007/s11356-019-07034-5
- Author:
- Kai Li; Bo Wang; Dana Bolatibieke; Dong-Hong Nan; Zhen-Xi Zhang; Min-Shu Cui; Qiang Lu
- Source:
- Journal of analytical and applied pyrolysis 2020 v.148 pp. 104824
- ISSN:
- 0165-2370
- Subject:
- activated carbon; biomass; catalysts; catalytic activity; cellulose; gas chromatography-mass spectrometry; phosphoric acid; pyrolysis; pyrolysis gas chromatography; sulfuric acid; temperature
- Abstract:
- ... Levoglucosenone (LGO) is a valuable chiral synthon and can be produced from pyrolysis of cellulose and biomass. In the present study, Ni-P-MCM-41 catalysts with various P-to-Ni ratios were prepared and employed for selective production of LGO from biomass. Both analytical pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) and lab-scale experiments were conducted to explore the effects of se ...
- DOI:
- 10.1016/j.jaap.2020.104824
- https://doi.org/10.1016/j.jaap.2020.104824
- Author:
- Halil Durak; Salih Genel
- Source:
- Bioresource technology 2020 v.309 pp. 123375
- ISSN:
- 0960-8524
- Subject:
- Fourier transform infrared spectroscopy; Lactuca serriola; X-ray diffraction; biofuels; biomass; catalysts; catalytic activity; energy; gas chromatography-mass spectrometry; hydrothermal liquefaction; iron; lignocellulose; nuclear magnetic resonance spectroscopy; oxygen; synergism; temperature; zinc
- Abstract:
- ... In this study, lignocellulosic biomass was converted into liquid products by catalytic hydrothermal liquefaction. Zn, Fe, and Zn + Fe were used to obtaining products with high energy value as heterogeneous catalyst systems in this study. The different experimental parameters were used to examine temperature (220, 240, 260, 280, 300 °C), reaction time (0, 5, 10, 15, 20, 30 min.), and the synergisti ...
- DOI:
- 10.1016/j.biortech.2020.123375
- https://doi.org/10.1016/j.biortech.2020.123375
- Author:
- Zhenheng Cao; Jiajia Niu; Yu Gu; Runjie Zhang; Yuting Liu; Liumin Luo
- Source:
- Journal of cleaner production 2020 v.269 pp. 122079
- ISSN:
- 0959-6526
- Subject:
- Fourier transform infrared spectroscopy; biofuels; biomass; boiling point; calcium carbonate; calcium oxide; carbon; catalysts; catalytic activity; ceric oxide; feedstocks; ferric chloride; gas chromatography-mass spectrometry; heat; lignocellulose; magnesium carbonate; magnesium chloride; magnesium oxide; manganese chloride; metals; molecular weight; nuclear magnetic resonance spectroscopy; phenolic compounds; pyrolysis; rice straw; screening; temperature; thermogravimetry; titanium dioxide; zeolites; zinc oxide; zirconium oxide
- Abstract:
- ... Lignocellulosic biomass is a promising renewable feedstock for the production of chemicals and fuels in light of the extensive use of fossil fuels associated with increasingly serious environmental problems. In this study, pyrolysis of rice straw with different types of catalyst such as metal salts (FeCl₃, CuCl₂, MgCl₂ and MnCl₂), metal basic oxides (MgO, CaO, MgCO₃ and CaCO₃), acidic metals (ZnO, ...
- DOI:
- 10.1016/j.jclepro.2020.122079
- https://doi.org/10.1016/j.jclepro.2020.122079
- Author:
- Chenlong Liu; Dong Chen; Yongan Cao; Tianxi zhang; Yangyang Mao; Wenju Wang; Zhigang Wang; Sibudjing Kawi
- Source:
- Renewable energy 2020 v.161 pp. 408-418
- ISSN:
- 0960-1481
- Subject:
- X-ray diffraction; X-ray photoelectron spectroscopy; biomass; carbon; catalysts; catalytic activity; differential thermal analysis; gas chromatography-mass spectrometry; hydrogen; nitrogen; oxygen; phenol; pyrolysis; renewable energy sources; rice hulls; scanning electron microscopy; steam; synthesis gas; temperature; thermogravimetry
- Abstract:
- ... In this paper, a series of catalysts loaded with different amount of LaNiO₃ on MCM-41 supported were studied for steam reforming of biomass tar reaction using in-situ tar in double fixed-bed. Different methods including XRD, N₂ adsorption-desorption, SEM, XPS and TG-DTG were employed for characterization of fresh and spent catalysts. The results of low-angle XRD and N₂-adsorption-desorption analys ...
- DOI:
- 10.1016/j.renene.2020.07.089
- https://doi.org/10.1016/j.renene.2020.07.089
- Author:
- Balakrishnan Saravanakumar; Radhakrishnan Chandran; Rajendran Kaliaperumal; Saravanakumar Balakrishnan; Allen J. Britten; Judy MacInnis; Martin Mkandawire
- Source:
- Energy 2020 v.190 pp. 116387
- ISSN:
- 0360-5442
- Subject:
- Fourier transform infrared spectroscopy; Prosopis juliflora; antibacterial properties; biochar; biodiesel; biomass; carbon; feedstocks; fossil fuels; furfural; gas chromatography-mass spectrometry; mixing; nuclear magnetic resonance spectroscopy; pathogens; proximate composition; pyrolysis; stable isotopes; synthesis gas; thermal properties; thermogravimetry; toluene
- Abstract:
- ... The main scope of this study was to evaluate continuous fast pyrolysis method and the quality of bio-oil produced from Prosospis juliflora on a self-designed Blade Type Reactor (BTR). The bio-oil was produced at 450 °C and characterised for ultimate and proximate analysis. For each batch of biomass feed stock, the BTR had conversion efficiency into bio-oil of 50%, 19% syngas, and the rest biochar. ...
- DOI:
- 10.1016/j.energy.2019.116387
- https://doi.org/10.1016/j.energy.2019.116387
- Author:
- Vladimir Dodevski; Bojan Janković; Ivana Radović; Marija Stojmenović; Maria Čebela; Željka Nikolić; Maja C Pagnacco; Ivan Panić; Miroslav Stanković
- Source:
- Energy & environment 2020 v.31 no.4 pp. 583-612
- ISSN:
- 2048-4070
- Subject:
- Fourier transform infrared spectroscopy; Platanus orientalis; Raman spectroscopy; activated carbon; adsorbents; adsorption; biomass; carbon dioxide; carbonization; chemical composition; desorption; gas chromatography-mass spectrometry; graphene; micropores; microstructure; nanocrystals; oxygen; photosynthesis; scanning electron microscopy; seeds; temperature; trees
- Abstract:
- ... In this work, plane tree seed-based activated carbons were characterized in detail for a variety of applications. The particularly important area of application would be in the artificial photosynthesis. After carbonization process of biomass precursor at 650°C, the resulting preliminary activated carbons were activated at various temperatures. The activated carbons were characterized by oxygen fu ...
- DOI:
- 10.1177/0958305X19880878
- https://doi.org/10.1177/0958305X19880878
- Author:
- Feng Cheng; Mostafa Dehghanizadeh; Meshack A. Audu; Jacqueline M. Jarvis; F. Omar Holguin; Catherine E. Brewer
- Source:
- Industrial crops and products 2020 v.150 pp. 112311
- ISSN:
- 0926-6690
- Subject:
- Fourier transform infrared spectroscopy; Parthenium argentatum; X-ray diffraction; bagasse; biofuels; biomass; calorimetry; cellulose; crystal structure; economic sustainability; energy content; esters; fatty acids; feedstocks; gas chromatography-mass spectrometry; guayule; industrial crops; ionization; lignin; lignocellulose; liquids; manufacturing; oxygen; ozone; processing residues; production costs; rubber; sesquiterpenoids; solvents; steroids; thermogravimetry; tires; triterpenoids; value added
- Abstract:
- ... In the processing of guayule (Parthenium argentatum) for bulk rubber production using solvent extraction, two residue streams are produced: a complex resin-rich liquid and a ground, dry woody bagasse. In order to enhance the economic viability of guayule as an industrial crop, value-added use of the residues is needed and has the potential to reduce gross rubber production costs. The main objectiv ...
- DOI:
- 10.1016/j.indcrop.2020.112311
- https://doi.org/10.1016/j.indcrop.2020.112311
- Author:
- Melina M. Orazi; Andrés H. Arias; Ana L. Oliva; Ana C. Ronda; Jorge E. Marcovecchio
- Source:
- Chemosphere 2020 v.240 pp. 124847
- ISSN:
- 0045-6535
- Subject:
- United States Environmental Protection Agency; air; air sampling; biomass; cold; combustion; emissions; gas chromatography-mass spectrometry; polycyclic aromatic hydrocarbons; rural areas; samplers; soil; soil sampling; temporal variation; traffic; winter; Argentina
- Abstract:
- ... Sixteen polycyclic aromatic hydrocarbons (PAHs) proposed by the US EPA as priority were analyzed in air and soil samples in the Southwest of Buenos Aires, Argentina, in order to study the levels, distribution, sources and fugacity ratios of PAHs, evaluating the relationship between them. For this, 10 passive air samplers (XAD-2® resin) were deployed along the area and replaced three-monthly from J ...
- DOI:
- 10.1016/j.chemosphere.2019.124847
- https://doi.org/10.1016/j.chemosphere.2019.124847
- Author:
- Rosa Pérez Pastor; Pedro Salvador; Susana García Alonso; Andrés Alastuey; Saúl García dos Santos; Xavier Querol; Begoña Artíñano
- Source:
- Chemosphere 2020 v.248 pp. 125896
- ISSN:
- 0045-6535
- Subject:
- aerosols; air pollution; biomass; biomass burning; cluster analysis; cold season; combustion; data collection; emissions; fatty acids; gas chromatography-mass spectrometry; genetic markers; lubricants; meteorological parameters; olives; particulates; pollutants; polycyclic aromatic hydrocarbons; quinones; rural areas; soil; tracer techniques; wastes; xylitol; Spain
- Abstract:
- ... Biomass burning is a major air pollution problem all around the world. However, the identification and quantification of its contribution to ambient aerosol levels is a difficult task due to the generalized lack of observations of molecular markers. This paper presents the results of a yearlong study of organic constituents of the atmospheric aerosol at a rural site in southern Spain (Villanueva d ...
- DOI:
- 10.1016/j.chemosphere.2020.125896
- https://doi.org/10.1016/j.chemosphere.2020.125896
- Author:
- Tongtong Li; Guanjun Li; Jianing Li; Xiaowen Li; Quanji Lu; Min Li
- Source:
- Journal of wood science 2020 v.66 no.1 pp. 50
- ISSN:
- 1435-0211
- Subject:
- anhydrides; biomass; gas chromatography-mass spectrometry; heat treatment; human health; pH; production technology; temperature; vanillin; volatile organic compounds; wood
- Abstract:
- ... Heat treatment was an eco-friendly modification technology for rubberwood, without the addition of chemical reagents into the wood and wood performance has been improved remarkably. Many effluents are generated from heat-treated rubberwood process, which were rarely researched. The effluents contain relatively high content of volatile organic compounds, which may seriously threaten the environment ...
- DOI:
- 10.1186/s10086-020-01897-w
- https://doi.org/10.1186/s10086-020-01897-w
- Author:
- Jorge M. Alves-Silva; Inês Guerra; Maria José Gonçalves; Carlos Cavaleiro; Maria Teresa Cruz; Artur Figueirinha; Lígia Salgueiro
- Source:
- Industrial crops and products 2020 v.149 pp. 112329
- ISSN:
- 0926-6690
- Subject:
- 2,2-diphenyl-1-picrylhydrazyl; Candida albicans; Crithmum maritimum; anti-inflammatory activity; antifungal properties; antioxidant activity; biofilm; biomass; byproducts; cell viability; chemical analysis; chemical composition; chlorogenic acid; coumaric acids; essential oil crops; essential oils; gamma-terpinene; gas chromatography-mass spectrometry; germ tube; glycosides; high performance liquid chromatography; hydrodistillation; inflammation; inhibitory concentration 50; lipopolysaccharides; macrophages; medicinal plants; metabolites; methyl ethers; models; nitric oxide; oils; quercetin; sabinene; tandem mass spectrometry; thin layer chromatography; thymol; virulence; Europe
- Abstract:
- ... Aromatic and medicinal plants, such as those from the Apiaceae family, and their metabolites, namely essential oils are of great industrial interest and a source of biologically relevant compounds.Essential oils are the major resource obtained during the hydrodistillation of aromatic plants, however, this process also originates high amounts of residual water. Although this by-product is discarded ...
- DOI:
- 10.1016/j.indcrop.2020.112329
- https://doi.org/10.1016/j.indcrop.2020.112329
- Author:
- Sanjeev Mishra; Kaustubha Mohanty
- Source:
- Energy conversion and management 2020 v.204 pp. 112312
- ISSN:
- 0196-8904
- Subject:
- Fourier transform infrared spectroscopy; Monoraphidium; alcohols; biofuels; biomass; biorefining; distillation; energy; energy density; energy recovery; esters; feedstocks; fuel oils; gas chromatography-mass spectrometry; heterocyclic compounds; hydrocarbons; hydrothermal liquefaction; kerosene; microalgae; minerals; nitrogen; oxygen; sewage sludge; sewage treatment; temperature; wastewater treatment
- Abstract:
- ... Microalgal biomass as bioenergy feedstock is gaining wide attention for biocrude production through hydrothermal liquefaction (HTL). However, the availability of feedstock in all seasons is a major challenge. Hence, to ensure a consistent supply of feedstock and transform waste to energy, the present study investigates co-HTL of domestic wastewater treatment derived microalgal biomass (Monoraphidi ...
- DOI:
- 10.1016/j.enconman.2019.112312
- https://doi.org/10.1016/j.enconman.2019.112312
- Author:
- Hong Shen; Wenhui Yan; Xingyong Yang; Xinhua He; Xin Wang; Yuting Zhang; Bing Wang; Qingyou Xia
- Source:
- Plant and soil 2020 v.452 no.1-2 pp. 119-135
- ISSN:
- 0032-079X
- Subject:
- allelochemicals; biomarkers; biomass; gas chromatography-mass spectrometry; metabolism; metabolites; myo-inositol; oleic acid; phenol; phospholipid fatty acids; plant growth; rhizosphere; soil microorganisms; tobacco
- Abstract:
- ... AIMS: To explore the mechanisms of continuous cropping obstacles of tobacco using co-occurrence network analyses to identify interactions between rhizosphere soil microbiota and metabolites. METHODS: Using pot experiments, tobacco biomass, soil chemical properties were routinely determined over three continuous growth seasons. Rhizosphere microbiota and metabolites were respectively determined usi ...
- DOI:
- 10.1007/s11104-020-04560-x
- https://doi.org/10.1007/s11104-020-04560-x
- Author:
- Velentina Das; Abhishek Mani Tripathi; Manash Jyoti Borah; Nurhan Turgut Dunford; Dhanapati Deka
- Source:
- Renewable energy 2020 v.161 pp. 1110-1119
- ISSN:
- 0960-1481
- Subject:
- Fourier transform infrared spectroscopy; Scenedesmus quadricauda; X-ray diffraction; algae culture; biodiesel; biomass; calcium oxide; carbon; catalysts; catalytic activity; cobalt; coprecipitation; egg shell; energy-dispersive X-ray analysis; feedstocks; fuel production; gas chromatography-mass spectrometry; lipids; microalgae; nitrates; nuclear magnetic resonance spectroscopy; scanning electron microscopy; stable isotopes; transmission electron microscopy; wastes
- Abstract:
- ... Microalgal biomass is a potential feedstock for biofuel production because of its oleaginous nature and fast growth rate. Furthermore, its cultivation does not compete with crop producing land and thereby eliminating food vs. fuel dilemma. This study describes a low-cost nutrient mediated cultivation method for growing lipid enriched algal biomass from Scenedesmus quadricauda in BG11 media in a ra ...
- DOI:
- 10.1016/j.renene.2020.07.040
- https://doi.org/10.1016/j.renene.2020.07.040
- Author:
- Michel Bergs; Xuan Tung Do; Jessica Rumpf; Peter Kusch; Yulia Monakhova; Christopher Konow; Georg Völkering; Ralf Pude; Margit Schulze
- Source:
- RSC advances 2020 v.10 no.18 pp. 10740-10751
- ISSN:
- 2046-2069
- Subject:
- Fourier transform infrared spectroscopy; Miscanthus giganteus; autumn; biomass; biorefining; carbon dioxide fixation; chemical composition; crops; ethanol; frost resistance; gas chromatography-mass spectrometry; gel chromatography; genotype; harvest date; leaves; lignin; molecular weight; nuclear magnetic resonance spectroscopy; photosynthesis; pulping; pyrolysis; pyrolysis gas chromatography; spring; stems; thermogravimetry
- Abstract:
- ... Miscanthus crops possess very attractive properties such as high photosynthesis yield and carbon fixation rate. Because of these properties, it is currently considered for use in second-generation biorefineries. Here we analyze the differences in chemical composition between M. x giganteus, a commonly studied Miscanthus genotype, and M. nagara, which is relatively understudied but has useful prope ...
- DOI:
- 10.1039/c9ra10576j
- https://doi.org/10.1039/c9ra10576j
- Author:
- Priti Kumari; Bikash Mohanty
- Source:
- Biomass and bioenergy 2020 v.139 pp. 105641
- ISSN:
- 0961-9534
- Subject:
- biomass; catalysts; furans; gas chromatography-mass spectrometry; gasoline; nitrogen; particle size; pyrolysis; pyrolysis oils; temperature; zeolites
- Abstract:
- ... In the present study, pyrolysis of pine needles has been conducted in a semi-batch reactor at different operating parameters such as particle size, temperature and flow rate of nitrogen for bio-oil production. The maximum bio-oil yield of 43.5% was obtained at a temperature of 550 °C, N₂ flow rate of 100 ml/min and particle size of 462μ. At the above optimum conditions, catalytic pyrolysis was obs ...
- DOI:
- 10.1016/j.biombioe.2020.105641
- https://doi.org/10.1016/j.biombioe.2020.105641
- Author:
- Bence Babinszki; Emma Jakab; Zoltán Sebestyén; Marianne Blazsó; Bernadett Berényi; Jitendra Kumar; Bhavya B. Krishna; Thallada Bhaskar; Zsuzsanna Czégény
- Source:
- Journal of analytical and applied pyrolysis 2020 v.149 pp. 104844
- ISSN:
- 0165-2370
- Subject:
- Azolla filiculoides; benzene; biomass; carbohydrates; fatty acids; gas chromatography-mass spectrometry; hydrochars; hydrothermal carbonization; nitriles; phenol; phytosterols; principal component analysis; proteins; pyridines; pyrolysis; pyrolysis gas chromatography; pyrroles; renewable energy sources; temperature; thermal properties; thermogravimetry; torrefaction
- Abstract:
- ... The effect of torrefaction and hydrothermal carbonization has been studied on Azolla filiculoides, which is a potential aquatic biomass feedstock for renewable energy sources. Hydrochar and torrefied azolla samples were prepared at three temperatures (260, 280, 300 °C) with 15 min residence time. The thermal behavior and the volatile content of the raw and thermally treated biomass samples were de ...
- DOI:
- 10.1016/j.jaap.2020.104844
- https://doi.org/10.1016/j.jaap.2020.104844
99. Complementing Vanillin and Cellulose Production by Oxidation of Lignocellulose with Stirring Control
- Author:
- Yuting Zhu; Yuhe Liao; Wei Lv; Jing Liu; Xiangbo Song; Lungang Chen; Chenguang Wang; Bert F. Sels; Longlong Ma
- Source:
- ACS sustainable chemistry & engineering 2020 v.8 no.6 pp. 2361-2374
- ISSN:
- 2168-0485
- Subject:
- Eucalyptus; Pinus; agitation; bagasse; biomass; biorefining; carbon; catalytic activity; cellulose; coproducts; delignification; electrospray ionization mass spectrometry; feedstocks; formic acid; fractionation; gas chromatography-mass spectrometry; gel chromatography; grasses; hardwood; lignin; lignocellulose; liquid-liquid extraction; mixing; nuclear magnetic resonance spectroscopy; oxidation; oxygen; quantum mechanics; sodium hydroxide; temperature; vanillin
- Abstract:
- ... Lignin transformation to high-value chemicals is key for forthcoming biorefineries. Here, we report efficient delignification of pine wood by oxidative biorefining in aqueous alkali, producing both vanillin and cellulose as valuable end products. Under optimal conditions, viz., 400 rpm, 160 °C, 1 h, 7.5 wt % NaOH, and 1 MPa O₂, more than 90% of lignin is converted and fractionated into monophenoli ...
- DOI:
- 10.1021/acssuschemeng.9b04837
- https://doi.org/10.1021/acssuschemeng.9b04837
- Author:
- Gunasekaran Rajeswari; Balakrishnan Arutselvy; Samuel Jacob
- Source:
- Waste and biomass valorization 2020 v.11 no.11 pp. 5965-5975
- ISSN:
- 1877-2641
- Subject:
- Aloe vera; X-ray diffraction; biomass; cellulose; crystal structure; delignification; endo-1,4-beta-glucanase; energy; ethanol production; feedstocks; gas chromatography-mass spectrometry; gels; hemicellulose; hydrolysates; lignin; lignocellulose; liquids; oxidation; saccharification; wastes
- Abstract:
- ... Aloe vera rind (AVR), a discarded solid biomass after extraction of gel finds no commercial importance could serve as a potent lignocellulosic feedstock for bioethanol production that prerequisite an efficient pretreatment to remove the lignin (16.4%, w/w). In the present study, the impact of mild acid pretreatment on AVR by using microwave energy with varied power (160 W, 320 W and 480 W) and its ...
- DOI:
- 10.1007/s12649-019-00830-7
- https://doi.org/10.1007/s12649-019-00830-7