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You searched for: Journal name Bioresource technology Remove constraint Journal name: Bioresource technology Publication year rev 7979-2021 Remove constraint Publication year rev: 7979-2021 Source 2021 v.320 Remove constraint Source: 2021 v.320
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1. Advanced microalgae-based renewable biohydrogen production systems: A review

Author:
Rahul Kumar Goswami; Sanjeet Mehariya; Parthiba Karthikeyan Obulisamy; Pradeep Verma
Source:
Bioresource technology 2021 v.320 pp. 124301
ISSN:
0960-8524
Subject:
biohydrogen; commercialization; economic sustainability; energy; fermentation; fossil fuels; hydrogen production
Abstract:
... The reliance of fossil fuel for industrial and energy sectors has resulted in its depletion. Therefore, enormous efforts have been considered to move-out from fossil fuels to renewable energy sources based industrial process developments. Recently, biohydrogen (bio-H₂) has been recognised as a clean source of fuel with high-energy efficiency, which can be produced via different routes. Among them, ...
DOI:
10.1016/j.biortech.2020.124301

2. Alkali lignin and sodium lignosulfonate additives promote the formation of humic substances during paper mill sludge composting

Author:
Weiwu Wang; Yi Hou; Wenfeng Huang; Xiaoming Liu; Ping Wen; Yueqiang Wang; Zhen Yu; Shungui Zhou
Source:
Bioresource technology 2021 v.320 pp. 124361
ISSN:
0960-8524
Subject:
lignin; lignosulfonates; molecular weight; papermaking; polymerization; pulp and paper industry; pulp and paper sludge; sodium
Abstract:
... Alkali lignin (AL) and sodium lignosulfonate (SLS) are by-products of the papermaking industry and could influence composting processes due to their rich aromatic structures. In this study, the roles of AL and SLS additives in the formation of humic substances (HS) during paper mill sludge composting were investigated. Results showed that HS content and degree of polymerization of the final produc ...
DOI:
10.1016/j.biortech.2020.124361

3. Ammonia-induced inhibition of manure-based continuous biomethanation process under different organic loading rates and associated microbial community dynamics

Author:
M.L. Christou; S. Vasileiadis; S.D. Kalamaras; D.G. Karpouzas; I. Angelidaki; T.A. Kotsopoulos
Source:
Bioresource technology 2021 v.320 pp. 124323
ISSN:
0960-8524
Subject:
Archaea; acetates; ammonia; glucose; methane production; microbial communities; propionic acid; technology
Abstract:
... Three Continuously Stirred Tank Reactors (CTSRs) were operating at steady state conditions with Organic Loading Rates (OLR) of 2.09, 3.024 and 4.0 g VS L⁻¹ d⁻¹. Glucose was used as the sole factor for increasing the OLR, linking the increase of the OLR with the C/N ratio increase. The reactors were stressed by increasing the ammonia concentration to 5 g L⁻¹ from 1.862 g L⁻¹. The results showed ele ...
DOI:
10.1016/j.biortech.2020.124323

4. Assessing the potential of purple phototrophic microbial community for nitrogen recycling from ammonia-rich medium and anaerobic digestate

Author:
Prashant Praveen; Alankar Vaidya; Keryn Tutt; John Andrews
Source:
Bioresource technology 2021 v.320 pp. 124436
ISSN:
0960-8524
Subject:
Rhodobacter; Rhodopseudomonas; absorbance; acetates; glass; microbial communities; municipal wastewater; nitrogen; technology; tissue culture
Abstract:
... Purple phototrophic bacteria (PPB) community, enriched from municipal wastewater, was characterized to assess their growth, tolerance, composition and potential for resource recovery from NH₄⁺-rich medium. Batch experiments were conducted in tissue culture flasks and glass bottles under anaerobic conditions with infra-red lights. PPBs showed remarkable tolerance to high concentrations of NH₄⁺-N an ...
DOI:
10.1016/j.biortech.2020.124436

5. Biohythane production and microbial characteristics of two alternating mesophilic and thermophilic two-stage anaerobic co-digesters fed with rice straw and pig manure

Author:
Hong Chen; Rong Huang; Jun Wu; Wenzhe Zhang; Yunping Han; Benyi Xiao; Dongbo Wang; Yaoyu Zhou; Bing Liu; Guanlong Yu
Source:
Bioresource technology 2021 v.320 pp. 124303
ISSN:
0960-8524
Subject:
Methanobrevibacter; Thermoanaerobacterium; anaerobic digestion; hydrogen; hydrogen production; hydrolysis; methane; methane production; methanogens; pig manure; reaction kinetics; rice straw
Abstract:
... To investigate biohythane production and microbial behavior during temperature-phased (TP) anaerobic co-digestion (AcD) of rice straw (RS) and pig manure (PM), a mesophilic-thermophilic (M1-T1) AcD system and a thermophilic-mesophilic (T2-M2) AcD system were continuously operated for 95 days in parallel. The maximal ratio (8.44%v/v) of produced hydrogen to methane demonstrated the feasibility of b ...
DOI:
10.1016/j.biortech.2020.124303

6. Biosurfactants: The green generation of speciality chemicals and potential production using Solid-State fermentation (SSF) technology

Author:
Ibrahim M. Banat; Quentin Carboué; Gerardo Saucedo-Castañeda; José de Jesús Cázares-Marinero
Source:
Bioresource technology 2021 v.320 pp. 124222
ISSN:
0960-8524
Subject:
COVID-19 infection; biosurfactants; chemical species; environmental impact; production technology; solid state fermentation; statistics
Abstract:
... Surfactants are multipurpose products found in most sectors of contemporary industry. Their large-scale manufacturing has been mainly carried out using traditional chemical processes. Some of the chemical species involved in their production are considered hazardous and some industrial processes employing them categorised as “having potential negative impact on the environment”. Biological surfact ...
DOI:
10.1016/j.biortech.2020.124222

7. Boosting oxygen reduction and permeability properties of doped iron-porphyrin membrane cathode in microbial fuel cells

Author:
Meiying Yu; Qiao Yang; Xiaole Yuan; Yunfei Li; Xuepeng Chen; Yujie Feng; Jia Liu
Source:
Bioresource technology 2021 v.320 pp. 124343
ISSN:
0960-8524
Subject:
cathodes; electric field; electrochemistry; electrostatic interactions; hydrophilicity; microbial fuel cells; oxygen; permeability
Abstract:
... To achieve a membrane cathode with excellent performance, iron-porphyrin (Fe(por)) was doped to boost the catalytic and permeability properties in microbial fuel cell (MFC). The membrane cathode with the optimal 0.05 g of Fe(por) (denoted as Fe(por)-0.05) had the highest current density of 10.3 A m⁻² and the lowest charge transfer resistance of 12.6 ± 0.3 Ω. The ring-disk electrode (RDE) results f ...
DOI:
10.1016/j.biortech.2020.124343

8. Bridging the gap to hydrochar production and its application into frameworks of bioenergy, environmental and biocatalysis areas

Author:
Ángel Fernández-Sanromán; Gabriela Lama; Marta Pazos; Emilio Rosales; Maria Ángeles Sanromán
Source:
Bioresource technology 2021 v.320 pp. 124399
ISSN:
0960-8524
Subject:
biocatalysis; bioenergy; biomass; economic costs; energy; hydrochars; hydrothermal carbonization; lignocellulose; pH; technology; temperature
Abstract:
... Hydrothermal carbonization (HTC) is a facile, low-cost and eco-friendly thermal conversion process that has recently gained attention with a growing number of publications (lower 50 in 2000 to over 1500 in 2020). Despite being a promising technology, problems such as operational barriers, complex reaction mechanisms and scaling have to be solved to make it a commercial technology. To bridge this c ...
DOI:
10.1016/j.biortech.2020.124399

9. Citric acid bioproduction and downstream processing: Status, opportunities, and challenges

Author:
Sabrina Mores; Luciana Porto de Souza Vandenberghe; Antonio Irineudo Magalhães Júnior; Júlio César de Carvalho; Ariane Fátima Murawski de Mello; Ashok Pandey; Carlos Ricardo Soccol
Source:
Bioresource technology 2021 v.320 pp. 124426
ISSN:
0960-8524
Subject:
adsorption; citric acid; environmental impact; feedstocks; fermentation
Abstract:
... Citric acid (CA) has been widely used in different industrial sectors, being produced through fermentation of low-cost feedstock. The development of downstream processes, easier to operate, environmentally friendly, and more economic than precipitation, is certainly a challenge in CA bioproduction. Large volumes of by-products generated in precipitation require treatment before disposal. Adsorptio ...
DOI:
10.1016/j.biortech.2020.124426

10. Comparison of acid and alkali catalyzed ethylene glycol organosolv pretreatment for sugar production from bagasse

Author:
Weiqi Wei; Baoxian Wang; Xiaoxiang Wang; Rongxin Ling; Yongcan Jin
Source:
Bioresource technology 2021 v.320 pp. 124293
ISSN:
0960-8524
Subject:
bagasse; cellulose; ethylene glycol; glucose; hemicellulose; lignin; saccharification; synergism; xylose
Abstract:
... In this study, five acid or alkali catalyzed ethylene glycol (EG) organosolv pretreatments were proposed and compared for sugar production from bagasse. The results showed that compared with single EG/H₂O pretreatment, the EG/H₂O-HCl pretreatment was more efficient for both hemicellulose (~99.3%) and lignin (~67.1%) remove due to the synergistic effect of HCl and EG. The EG/H₂O-NaOH pretreatment w ...
DOI:
10.1016/j.biortech.2020.124293

11. Comparison of nitrite accumulation performance and microbial community structure in endogenous partial denitrification process with acetate and glucose served as carbon source

Author:
Guangyu Chu; Deshuang Yu; Xiaoxia Wang; Qiuying Wang; Tonghui He; Ji Zhao
Source:
Bioresource technology 2021 v.320 pp. 124405
ISSN:
0960-8524
Subject:
acetates; anaerobic ammonium oxidation; bacteria; carbon; carbon sequestration; chemical oxygen demand; community structure; denitrification; glucose; microbial communities; nitrites; nitrogen; phosphates; technology; total nitrogen
Abstract:
... Although the combination of endogenous partial denitrification (EPD) and Anammox (EPD-AMX) were developed for deep-level nitrogen removal, the effects of different carbon source were not clear. In this study, the EPD performance was investigated comparatively with acetate (EPDA₎ and glucose (EPDG). Results revealed that through regulating chemical oxygen demand to phosphate ratio, Candidatus_Compe ...
DOI:
10.1016/j.biortech.2020.124405

12. Comprehensive performance, bacterial community structure of single-chamber microbial fuel cell affected by COD/N ratio and physiological stratifications in cathode biofilm

Author:
Jianqi Yuan; Haiguang Yuan; Shaobin Huang; Lijie Liu; Feichao Fu; Yongqing Zhang; Fangqin Cheng; Jianfeng Li
Source:
Bioresource technology 2021 v.320 pp. 124416
ISSN:
0960-8524
Subject:
Geobacter; anodes; bacterial communities; biofilm; cathodes; chemical oxygen demand; community structure; denitrifying microorganisms; electrochemistry; fish; fluorescence; hybridization; microbial fuel cells; pH; wastewater
Abstract:
... This study compares the effects and bacterial community structure of single-chamber microbial fuel cells (MFCs) in the treatment of NH₄⁺-containing wastewater with different chemical oxygen demand (COD)/N ratios, whilst simultaneously conducting stratification research on the cathode biofilm. To this end, five nitrifier pre-enriched single-chamber MFC reactors are established to treat five differe ...
DOI:
10.1016/j.biortech.2020.124416

13. Deammonification process in municipal wastewater treatment: Challenges and perspectives

Author:
Dawen Gao; Tao Xiang
Source:
Bioresource technology 2021 v.320 pp. 124420
ISSN:
0960-8524
Subject:
autotrophs; biomass; economic independence; energy; municipal wastewater; nitrites; nitrogen; sewage treatment; wastewater treatment
Abstract:
... The deammonification process has been proved to be an efficient nitrogen removal process in treating high NH₄⁺-N concentration wastewater (sidestream deammonification). It is very hopeful to bring WWTP close to energy autarky. However, the feasibility of applying mainstream deammonification to sewage treatment need to be further explored. Therefore, this review attempts to give an overview of chal ...
DOI:
10.1016/j.biortech.2020.124420

14. Detailed composition evolution of food waste in an intermittent self-agitation anaerobic digestion baffled reactor

Author:
Wei-Kang Qi; Li-Fang Liu; Qi Shi; Cong Wang; Yu-You Li; Yongzhen Peng
Source:
Bioresource technology 2021 v.320 pp. 124342
ISSN:
0960-8524
Subject:
anaerobic digestion; biogas; carbohydrates; chemical oxygen demand; food waste; organic matter
Abstract:
... This study used an intermittent self-agitation anaerobic baffled reactor (SA-ABR) to treat food waste. The organic matter and detailed composition evolution were analyzed under continuous operation. The gas production rate was 2.43 ± 0.18 L-Gas/d/L-Re, and the biogas conversion was 0.94 L-Gas/g-TS. The effluent concentration of total chemical oxygen demand (COD) was 22.5 ± 2.44 g/L, and the remova ...
DOI:
10.1016/j.biortech.2020.124342

15. Effect of different aerobic hydrolysis time on the anaerobic digestion characteristics and energy consumption analysis

Author:
Jingbo Qu; Yong Sun; Mukesh Kumar Awasthi; Yuyingnan Liu; Xinrui Xu; Xianghui Meng; Hongqiong Zhang
Source:
Bioresource technology 2021 v.320 pp. 124332
ISSN:
0960-8524
Subject:
acetic acid; anaerobic digestion; biodegradability; biogas; corn stover; energy conversion; gas production (biological); hydrolysis; lignocellulose; methane production; temperature
Abstract:
... Aerobic hydrolysis of stover before anaerobic digestion is beneficial to improve the biodegradability of corn stover. Aerobic hydrolysis of corn stover at 43 °C was conducted to investigate the effects of hydrolysis time (0 h, 8 h, 16 h, and 24 h) on the degradation of lignocellulose from corn stover and material conversion. Further anaerobic digestion and energy consumption analysis with the dige ...
DOI:
10.1016/j.biortech.2020.124332

16. Effect of excess sludge and food waste feeding ratio on the nutrient fractions, and bacterial and fungal community during aerobic co-composting

Author:
Ronghua Qin; Chengyuan Su; Tianhao Mo; Liming Liao; Fenghua Zhu; Yu Chen; Menglin Chen
Source:
Bioresource technology 2021 v.320 pp. 124339
ISSN:
0960-8524
Subject:
Ascomycota; Basidiomycota; Firmicutes; ammonium nitrogen; bagasse; biochar; composting; composts; food waste; fungal communities; fungi; nitrogen fixation; reproduction; sludge; technology
Abstract:
... The effect of excess sludge and food waste feeding ratio on the co-composting process was explored using 5% bagasse biochar as an additive and conditioner. Results showed that when the mass ratio was 1:1, nitrogen fixation ability was the strongest and ammonia nitrogen increment in the pile reached 2.31 mg/g. The increase in excess sludge content/food waste ratio during composting was conducive to ...
DOI:
10.1016/j.biortech.2020.124339

17. Effect of fluoxetine on enhanced biological phosphorus removal using a sequencing batch reactor

Author:
Jianwei Zhao; Qingjiang Yuan; Yingjie Sun; Jing Zhang; Dalei Zhang; Rongxing Bian
Source:
Bioresource technology 2021 v.320 pp. 124396
ISSN:
0960-8524
Subject:
absorption; acute exposure; batch systems; chronic exposure; fluoxetine; glycogen; metabolism; organic matter; phosphorus; pollutants; polyhydroxyalkanoates
Abstract:
... In this work, the potential impact of emerging pollutant Fluoxetine (FLX) on enhanced biological phosphorus removal (EBPR) was systematically investigated using the sequencing batch reactor. The experimental results showed that even 200 μg/L FLX had no significant effect on EBPR during the short-term exposure. However, in the long-term exposure test, high dosage of FLX inhibited EBPR. 200 μg/L FLX ...
DOI:
10.1016/j.biortech.2020.124396

18. Effects of cellulose, hemicellulose, and lignin on the combustion behaviours of biomass under various oxygen concentrations

Author:
Shusen Wang; Chun Zou; Haiping Yang; Chun Lou; Sizhe Cheng; Chao Peng; Cong Wang; Huiruo Zou
Source:
Bioresource technology 2021 v.320 pp. 124375
ISSN:
0960-8524
Subject:
bamboos; biomass; cellulose; chestnut shells; combustion; furnaces; hemicellulose; lignin; lignin content; oxygen; peanut hulls; radiant energy; rice straw
Abstract:
... The combustion behaviours of three components, namely hemicellulose, cellulose, and lignin, and four types of biomass, namely rice straw, bamboo, peanut shell, and chestnut shell, were examined in a drop tube furnace set at 1273 K, in O₂/N₂ atmospheres containing 21–100% O₂. Radiant energy analysis technology was employed to infer the temperatures of the samples. The results show that the ignition ...
DOI:
10.1016/j.biortech.2020.124375

19. Efficient biobutanol production by acetone-butanol-ethanol fermentation from spent coffee grounds with microwave assisted dilute sulfuric acid pretreatment

Author:
Juan C. López-Linares; María Teresa García-Cubero; Mónica Coca; Susana Lucas
Source:
Bioresource technology 2021 v.320 pp. 124348
ISSN:
0960-8524
Subject:
Clostridium beijerinckii; biobutanol; butanol; cellulose; digestibility; enzymatic hydrolysis; fermentation; hydrolysates; lignocellulose; liquids; sugars; sulfuric acid
Abstract:
... The integral valorization of potential sugars (cellulosic and hemicellulosic) from spent coffee grounds (SCG), a lignocellulosic residue, is proposed in this work. With this aim, the microwave assisted dilute sulfuric acid pretreatment has been optimized, leading to a hemicellulosic sugar recovery in the pretreatment liquid (HSRL) and an enzymatic hydrolysis yield of 79 and 98%, respectively, at 1 ...
DOI:
10.1016/j.biortech.2020.124348

20. Efficient biosynthesis of exopolysaccharide from Jerusalem artichoke using a novel strain of Bacillus velezensis LT-2

Author:
Qiao Meng; Chenghui Lu; Hua Gao; Guoxuan Chen; Lingtian Wu; Jinnan Wu; Sha Li; Bing-Fang He
Source:
Bioresource technology 2021 v.320 pp. 124346
ISSN:
0960-8524
Subject:
Bacillus velezensis; Jerusalem artichokes; biorefining; biosynthesis; electron transfer; electron transport chain; exopolysaccharides; fermentation; fructose; industry; inulin; multigene family; saccharification; synthetic genes; transcriptome
Abstract:
... This study focused on the non-grain biorefining of Jerusalem artichoke (JA) for exopolysaccharide (EPS) efficient production by using Bacillus velezensis LT-2. Results showed that LT-2 could directly utilize JA tuber power (JATP) for EPS production, and its EPS yield reached 11.47 ± 0.33 g/L in the simultaneous saccharification and fermentation (SSF) mode. Furthermore, the SSF mode shortened the f ...
DOI:
10.1016/j.biortech.2020.124346