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You searched for: Journal Waste and biomass valorization Remove constraint Journal: Waste and biomass valorization Publication Year 2019 Remove constraint Publication Year: 2019 Source 2019 v.10 no.5 Remove constraint Source: 2019 v.10 no.5
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1. Assessment of Chemical Inhibitor Addition to Improve the Gas Production from Biowaste

Author:
Zahedi, S.; Dahunsi, S. O.; Perez, M.; Solera, R.
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1091-1099
ISSN:
1877-2641
Subject:
Archaea; acidification; anaerobic digestion; biogas; methanogens; molybdates; municipal solid waste; organic matter; pH; sulfate-reducing bacteria
Abstract:
... The coexistence of sulphate-reducing bacteria and methanogenic archaea in the reactors during the anaerobic digestion from sulphate-containing waste could favor the accumulation of sulfide on the biogas, and therefore reduce its quality. In this study, the effect of sulphate-reducing bacteria inhibitor ([Formula: see text]) addition in a two phase system from sulphate-containing municipal solid wa ...
DOI:
10.1007/s12649-017-0189-2

2. Beneficiation of Oil Shale Processing Waste: Secondary Binder Phases in Alkali Activated Composites

Author:
Paiste, Päärn; Külaviir, Marian; Paaver, Peeter; Heinmaa, Ivo; Vahur, Signe; Kirsimäe, Kalle
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1407-1417
ISSN:
1877-2641
Subject:
Fourier transform infrared spectroscopy; aluminum; compression strength; crosslinking; gels; mixing; nuclear magnetic resonance spectroscopy; oil shale; polymers; processing waste; silicates; silicon; sodium hydroxide; solid wastes
Abstract:
... Oil shales are low calorific fuels leaving upon processing large amounts of solid waste with limited secondary use, mostly because of low self-cementitious properties. In this paper, alkali activation of the waste remaining after shale oil retorting in solid-heat-carrier plants was investigated to improve the cementitious properties of this waste. The formation of secondary silicate binder phases ...
DOI:
10.1007/s12649-017-0140-6

3. Catalytic Performances of Various Solid Catalysts and Metal Halides for Microwave-Assisted Hydrothermal Conversion of Xylose, Xylan, and Straw to Furfural

Author:
Yemiş, Oktay; Mazza, Giuseppe
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1343-1353
ISSN:
1877-2641
Subject:
aluminum chloride; biomass; calcium chloride; catalysts; catalytic activity; ferric chloride; flax; furfural; hot water treatment; lithium chloride; magnesium chloride; manganese chloride; microwave radiation; microwave treatment; potassium chloride; saccharification; sodium bromide; sodium chloride; temperature; triticale; wheat straw; xylan; xylose
Abstract:
... PURPOSE: Furfural is a multifunctional green chemical and a precursor for many furan-based chemicals. The drawbacks of the current furfural production on industrial scale are the processes with low yields, and the corrosive and non-environmental catalysts are being used in the processes. Here, the one pot catalytic conversion of xylose, xylan, and straw biomass (i.e., wheat straw, triticale straw ...
DOI:
10.1007/s12649-017-0144-2

4. Cytotoxicity, Antioxidant and Antiviral Potential of Aqueous Extract from Nostoc muscorum Cultivated in Various Inexpensive Media

Author:
Shalaby, Emad A.; Atta, Mohamed B.; Sleem, Ibtesam A.; Mohamed, Mousa A.; Lightfoot, David A.; El-Shemy, Hany A.
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1419-1431
ISSN:
1877-2641
Subject:
Nostoc muscorum; active ingredients; agricultural wastes; antimalarials; antioxidant activity; antioxidants; antiretroviral agents; antiviral properties; cytotoxicity; drugs; herpes simplex; in vitro studies; industrial wastewater; lighting; mice; microalgae; pigments; sewage treatment; viruses
Abstract:
... The genus Nostoc is a valuable source of a wide spectrum of natural products, which have many different biological activities such as antioxidant, anticancer, anti-HIV, antimalarial, antifungal and antimicrobial drugs. The current work was aimed to evaluate the biological activities of Nostoc muscorum microalga cultivated on different waste water samples (domestic, agricultural and industrial wast ...
DOI:
10.1007/s12649-017-0188-3

5. Effect of Alkali Treatment Combined with High Pressure on Extraction Efficiency of β-D-Glucan from Spent Brewer’s Yeast

Author:
Tian, Xiaoli; Yang, Ping; Jiang, Wenxia
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1131-1140
ISSN:
1877-2641
Subject:
alkali treatment; beta-glucans; cell walls; food industry; glucose; high pressure treatment; isolation techniques; nuclear magnetic resonance spectroscopy; polymers; processing time; response surface methodology; temperature; yeasts
Abstract:
... β-D-glucan, an important constituent of spent brewer’s yeast cell walls, shows numerous physiological functions, leading to the great potential to be used in food industry. Conventional isolation method of β-D-glucan (alkali treatment at ordinary pressure, ATOP) requires high alkali dosage and excessively long extraction time. In this paper, we found that combination of high pressure treatment and ...
DOI:
10.1007/s12649-017-0130-8

6. Efficient Fabrication of Sustainable Building Products from Annually Generated Non-wood Cellulosic Fibres and Bioplastics with Improved Flammability Resistance

Author:
Dahy, Hanaa
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1167-1175
ISSN:
1877-2641
Subject:
additives; aesthetics; agroindustrial byproducts; biocomposites; bioplastics; cellulosic fibers; cladding; construction industry; construction materials; flame retardants; flammability; ingredients; lignin; manufacturing; mineral content; rice straw; thermoplastics
Abstract:
... Cellulosic fibres retrieved from annual agricultural by-products offer diverse advantages when applied as a main ingredient in biocomposite building materials. Within this paper work, the application possibility of non-wood straw fibres in innovative building products is highlighted. Fabrication efficiency is reached here through reducing the number of industrial processes and additives needed to ...
DOI:
10.1007/s12649-017-0135-3

7. Energetic Combustion Characteristics and Environmental Impact of Moroccan Biomass Wastes and Their Solid Biofuel

Author:
Malika, Allouch; Mohammed, Alami; Guhel, Yannick
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1311-1322
ISSN:
1877-2641
Subject:
almond shells; biofuels; biomass; chemical composition; combustion; energy; environmental impact; fruits; pyrolysis; wastes; Morocco
Abstract:
... The three most important biomass sources in Morocco, namely almond shells A₀, acorn cups C₀, nut shells N₀ and their derived solid biofuel respectively A₄₀₀, C₄₀₀ and N₄₀₀ were evaluated with regards to their energetic, combustion and structural characteristics and for their environmental impact. The solid biofuel samples were produced by slow pyrolysis at a temperture of 400 °C for a reaction tim ...
DOI:
10.1007/s12649-017-0128-2

8. Environmental Aspect of Using Chlorine Dioxide to Improve Effluent and Pulp Quality During Wheat Straw Bleaching

Author:
Kaur, Daljeet; Bhardwaj, Nishi K.; Lohchab, Rajesh Kumar
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1231-1239
ISSN:
1877-2641
Subject:
agricultural wastes; air pollution; anthraquinones; biochemical oxygen demand; bleaching; burning; calcium hypochlorite; cellulose; chemical analysis; chemical oxygen demand; chlorine; chlorine dioxide; color; cooking; forest products; halides; hemicellulose; lignin; lignin content; papermaking; pulp; pulp and paper industry; pulp and paper mills; raw materials; silica; waste management; wastewater; wheat straw
Abstract:
... PURPOSE: This paper illustrates the need of using the agro waste (wheat straw) as a substitute for forest products in paper industry. It aims on using the soda-AQ pulping process for converting waste to fibrous pulp. Further, it emphasizes on use of chlorine dioxide in place of elemental chlorine and hypochlorite during bleaching with aim of reducing the wastewater load and improving the pulp qual ...
DOI:
10.1007/s12649-017-0193-6

9. Enzymatic Activity and Biochemical Composition in Leaves of Green Bean (Phaseolus vulgaris L. cv. Saxa) Grown in Almond Shell Substrates

Author:
Oliveira, I.; Meyer, A. S.; Aires, A.; Afonso, S.; Gonçalves, B.
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1223-1229
ISSN:
1877-2641
Subject:
Phaseolus vulgaris; abscisic acid; almond shells; almonds; antioxidant activity; byproducts; chemical composition; enzyme activity; field capacity; green beans; leaf characteristics; leaves; lipid peroxidation; peat; phenolic compounds; photosynthesis; pigments; proteins; vermiculite
Abstract:
... The almond shell is the main by-product of almond production, and is currently a material with no important use. However, it is produced each year in considerable amounts, and finding an alternative and valuable use is of great interest. This work intends to elucidate the possibility of the addition of almond shell to growth substrates on green bean plant and its effect on leaf characteristics. Al ...
DOI:
10.1007/s12649-017-0141-5

10. Evaluation of Performances of Some Organic Waste in Organic Strawberry Cultivation

Author:
Balci, Gulden; Demirsoy, Husnu; Demirsoy, Leyla
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1151-1157
ISSN:
1877-2641
Subject:
animal manures; ascorbic acid; composts; fruit growing; fruiting; fruits; gardens; hazelnuts; horticultural soils; organic foods; organic production; recycling; rice hulls; strawberries; total soluble solids
Abstract:
... This trail aimed investigate the benefits of the use of wastes such as hazelnut husk and rice hull composts in organic strawberry cultivation and their effects on productivity and fruit. The research was carried out in the Ondokuz Mayis University’s (OMU) Faculty of Agriculture Research and Practice garden in Samsun in 2010 and 2011. In the research, effects of some organic wastes (hazelnut husk, ...
DOI:
10.1007/s12649-017-0132-6

11. Evaluation of Semi-dry Mesophilic Anaerobic Co-digestion of Corn Stover and Vegetable Waste by a Single-Phase Process

Author:
Zhang, Yunhua; Xu, Lu; Liang, Yue-gan; Yang, Shuyun; Liu, Xiao-hong
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1159-1166
ISSN:
1877-2641
Subject:
acidification; anaerobic digestion; corn stover; leaching; methane production; mixing ratio; synergism; total solids; vegetable residues
Abstract:
... The performance of semi-dry anaerobic co-digestion of corn stover and vegetable waste was investigated using batch reactors and leaching bed reactors (LBRs). Six mixing ratios of corn stover and vegetable waste were employed to investigate optimal methane production using batch reactors, and process stability was assessed using the two LBRs. Kinetic assessment, methane production, volatile solid ( ...
DOI:
10.1007/s12649-017-0133-5

12. High Temperature Steam Gasification of Corn Straw Pellets in Downdraft Gasifier: Preparation of Hydrogen-Rich Gas

Author:
Pang, Yunji; Shen, Shengqiang; Chen, Yisheng
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1333-1341
ISSN:
1877-2641
Subject:
carbon; carbon monoxide; corn straw; gasification; hydrogen; steam; synthesis gas; temperature; thermodynamics
Abstract:
... The main objective of this study is to investigate the characteristics of corn straw pellets conversion to syngas using a steam gasification process in downdraft gasifier. A lab scale gasifier was built to perform the gasification experiment. The effects of temperature and steam flow on the non-catalytic gasification process were investigated, and the variation rules of gasification indexes such a ...
DOI:
10.1007/s12649-017-0143-3

13. Hydrothermal Treatments of Cistus ladanifer Industrial Residues Obtained from Essential Oil Distilleries

Author:
Alves-Ferreira, Júnia; Duarte, Luís C.; Fernandes, Maria C.; Pereira, Helena; Carvalheiro, Florbela
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1303-1310
ISSN:
1877-2641
Subject:
Cistus ladanifer; autohydrolysis; biomass; biorefining; essential oils; glucans; hemicellulose; hot water treatment; hydrolysates; lignin; liquids; oligosaccharides; phenolic compounds; raw materials; solubilization; steam distillation; temperature
Abstract:
... PURPOSE: The aim of this study was to optimize hydrothermal treatments (autohydrolysis) for selective hydrolysis of hemicelluloses in the residues obtained from the industrial steam distillation of Cistus ladanifer (rock-rose) for essential oil extraction (CLR). The effect of the autohydrolysis in the removal of extractives of these residues was also evaluated. METHODS: The raw material was treate ...
DOI:
10.1007/s12649-017-0127-3

14. Improvement of Pectinase Production by Co-culture of Bacillus spp. Using Apple Pomace as a Carbon Source

Author:
Kuvvet, Ceren; Uzuner, Sibel; Cekmecelioglu, Deniz
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1241-1249
ISSN:
1877-2641
Subject:
Bacillus pumilus; Bacillus subtilis; agricultural wastes; apple pomace; bacteria; carbon; coculture; enzyme activity; experimental design; fermentation industry; pH; polygalacturonase; response surface methodology; submerged fermentation
Abstract:
... Increasing interest in using food and agricultural wastes for low cost enzyme production continues in fermentation industry. Bacteria, especially Bacillus subtilis, are known to produce pectinases in synthetic media and media amended with agricultural wastes as a carbon source, whereas the potential of co-culturing Bacillus species to produce pectinases has not been fully studied yet. In this stud ...
DOI:
10.1007/s12649-017-0142-4

15. Kinetics and Performance of Raw and Torrefied Biomass in a Continuous Bubbling Fluidized Bed Gasifier

Author:
Al-Farraji, A.; Marsh, R.; Steer, J.; Valera-Medina, A.
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1365-1381
ISSN:
1877-2641
Subject:
activation energy; biomass; carbon monoxide; cold; fluidized beds; gasification; hydrogen; methane; models; olives; oxidants; seeds; temperature; thermogravimetry
Abstract:
... This paper is an experimental study of the kinetics of gasification of olive kernel by using a thermogravimetric fluidized bed reactor technique. Gasification of ‘as received’ and torrefied olive kernels were investigated in a lab-scale bubbling fluidized bed gasifier, operating at up to 3.2 kg/h. The effect of bed temperature between 550 and 750 °C in 50 °C increments on the gasification product ...
DOI:
10.1007/s12649-017-0167-8

16. L( +)-Lactic Acid Production by Immobilized Lactobacillus casei Using Low Cost Agro-Industrial Waste as Carbon and Nitrogen Sources

Author:
Thakur, Avinash; Panesar, Parmjit Singh; Saini, Manohar Singh
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1119-1129
ISSN:
1877-2641
Subject:
Lactobacillus casei; agricultural wastes; batch fermentation; biomass; carbon; chitosan; corn steep liquor; immobilized cells; lactic acid; molasses; nitrogen; pH; porosity; sodium alginate; temperature
Abstract:
... Batch fermentation of molasses for L(+) lactic acid production using corn steep liquor (CSL) as nitrogen source by immobilized Lactobacillus (Lb.) casei MTCC 1423 has been studied. Among different tested immobilizing matrices, sodium alginate has been observed to be the best matrix for L(+)-lactic acid production. Significant reduction in cell release with double layer coated (chitosan and alginat ...
DOI:
10.1007/s12649-017-0129-1

17. One Pot Cascade Conversion of Bio-Based Furfural to Levulinic Acid with Cu-Doped Niobium Phosphate Catalysts

Author:
Fang, Chengjiang; Liu, Yanxiu; Wu, Weibo; Li, Hu; Wang, Zhongwei; Zhao, Wenfeng; Yang, Tingting; Yang, Song
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1141-1150
ISSN:
1877-2641
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; catalysts; catalytic activity; copper; formic acid; furfural; furfuryl alcohol; hydrogenation; levulinic acid; niobium; pentoses; phosphates; porosity; temperature
Abstract:
... Liquid-phase catalytic hydrogenation of furfural, followed by hydration to levulinic acid has been considered as one of efficient approaches for upgrading pentose sugars. However, a two-step process is generally employed, which involves the separation and purification of the key intermediate furfuryl alcohol from the reaction mixture. To simplify this catalytic process with improved efficiency, Cu ...
DOI:
10.1007/s12649-017-0131-7

18. Optimization of Xylanase Production by Trichoderma orientalis Using Corn Cobs and Wheat Bran via Statistical Strategy

Author:
Long, Chuannan; Liu, Jian; Gan, Lihui; Zeng, Bin; Long, Minnan
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1277-1284
ISSN:
1877-2641
Subject:
Trichoderma; calcium chloride; corn cobs; enzyme activity; experimental design; fermentation; ferrous sulfate; magnesium sulfate; pH; peptones; polysorbates; raw materials; response surface methodology; temperature; wheat bran; xylanases
Abstract:
... In order to obtain the best conditions for xylanase production, statistical experimental designs were applied for improvement of xylanase yield by Trichoderma orientalis EU7-22 using corn cobs and wheat bran as raw materials. Plackett–Burman design was applied to evaluate the effects of eight variables (concentration of peptone, tween-80, CaCl₂, MgSO₄, FeSO₄, as well as initial pH, fermentation te ...
DOI:
10.1007/s12649-017-0149-x

19. Parametric Optimization of Biohydrogen Production from Potato Waste and Scale-Up Study Using Immobilized Anaerobic Mixed Sludge

Author:
Sekoai, Patrick T.; Ayeni, Augustine O.; Daramola, Michael O.
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1177-1189
ISSN:
1877-2641
Subject:
bacteria; biohydrogen; computer software; equations; fermentation; gas production (biological); hydrogen production; pH; potatoes; regression analysis; response surface methodology; sludge; temperature
Abstract:
... Response surface methodology (RSM) using the central composite design (CCD) approach was used in the parametric optimization of biohydrogen production from potato waste and the scale-up study was investigated using immobilized anaerobic mixed sludge. A two-level-four-factor (2⁴)-CCD obtained via a statistical software (STATISTICA 8 release 7) was used to generate 26 fermentation experiments. The e ...
DOI:
10.1007/s12649-017-0136-2

20. Physical and Chemical Characterization of Agave tequilana Bagasse Pretreated with the Ionic Liquid 1-Ethyl-3-Methylimidazolium Acetate

Author:
Equihua-Sánchez, Mintzirani; Barahona-Pérez, Luis F.
Source:
Waste and biomass valorization 2019 v.10 no.5 pp. 1285-1294
ISSN:
1877-2641
Subject:
Agave tequilana; Fourier transform infrared spectroscopy; X-ray diffraction; acetates; bagasse; bioethanol; biomass; cellulose; crystal structure; energy efficiency; ionic liquids; lignin content; lignocellulose; models; scanning electron microscopy; surface area; temperature; thermogravimetry; Mexico
Abstract:
... Pretreatment of lignocellulosic biomass remains a bottleneck for the production of second-generation bioethanol. Conventional pretreatments have had moderated success in meeting the criteria to be considered cost and energy efficient; however, ionic liquids have shown promising results. 1-ethyl-3-methylimidazolium acetate is one of the most successful ionic liquids used for biomass dissolution. Th ...
DOI:
10.1007/s12649-017-0150-4