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You searched for: Journal Bioresource technology Remove constraint Journal: Bioresource technology Publication year rev 7980-2020 Remove constraint Publication year rev: 7980-2020 Source 2020 v.310 Remove constraint Source: 2020 v.310
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1. A novel lignin degradation bacteria-Bacillus amyloliquefaciens SL-7 used to degrade straw lignin efficiently

Author:
Jinfei Mei; Xiaobao Shen; Liping Gang; Huajie Xu; Fufang Wu; Liangquan Sheng
Source:
Bioresource technology 2020 v.310 pp. 123445
ISSN:
0960-8524
Subject:
Bacillus amyloliquefaciens; carbon; chemical oxygen demand; composts; fermentation; laccase; lignin; lignin peroxidase; manganese peroxidase; straw; tobacco
Abstract:
... Using tobacco straw (Ts) and lignin as the sole carbon source, a strain was isolated from Ts and identified as Bacillus amyloliquefaciens SL-7 by 16S rDNA gene-sequencing technology.7-day incubation of Bacillus amyloliquefaciens SL-7 can reduce the chemical oxygen demand (COD) by 69.35% in lignin mineral salt medium. The activity of Manganese peroxidase (MnP) reached maximum level 258.57 U L⁻¹, an ...
DOI:
10.1016/j.biortech.2020.123445

2. A review on advanced catalytic co-pyrolysis of biomass and hydrogen-rich feedstock: Insights into synergistic effect, catalyst development and reaction mechanism

Author:
Mohamed H.M. Ahmed; Nuno Batalha; Hasan M.D. Mahmudul; Greg Perkins; Muxina Konarova
Source:
Bioresource technology 2020 v.310 pp. 123457
ISSN:
0960-8524
Subject:
biomass; carbon; catalysts; commercialization; cost effectiveness; depolymerization; ethanol; feedstocks; fossil fuels; hydrogen; lignocellulose; lubricants; methane; methanol; oils; oxygen; porous media; pyrolysis; pyrolysis oils; reaction mechanisms; research and development; silica; solid wastes; synergism; technology; tires; waste utilization; zeolites
Abstract:
... The depletion of fossil fuel reserves and the growing demand for alternative energy sources are the main drivers of biomass and carbonaceous waste utilization. Particularly, non-edible lignocellulosic biomass is the most attractive renewable feedstock due to its abundance. Pyrolysis of biomass produces highly oxygenated compounds with oxygen content >35 wt%. The cost-effective elimination of oxyge ...
DOI:
10.1016/j.biortech.2020.123457

3. A sulfur-based cyclic denitrification filter for marine recirculating aquaculture systems

Author:
Qiaochong He; Zhang Cheng; Dongqing Zhang; Kevan Main; Chuanping Feng; Sarina J. Ergas
Source:
Bioresource technology 2020 v.310 pp. 123465
ISSN:
0960-8524
Subject:
Poecilia sphenops; ammonia; denitrification; fish; fish waste; freshwater; nitrites; nitrogen; salinity; sulfates; sulfides; technology; wastewater
Abstract:
... Nitrogen removal from saline wastewater is challenging due to adverse effects of salinity on biological processes. A novel sulfur-autotrophic cyclic denitrification filter (CDF) was tested for marine recirculating aquaculture systems (RAS) under varying conditions. Low ammonia, nitrite and sulfide concentrations were maintained at residence times between 4 and 12 h. After introduction of Poecilia ...
DOI:
10.1016/j.biortech.2020.123465

4. Activated hydrochar produced from brewer's spent grain and its application in the removal of acetaminophen

Author:
Thiago Peixoto de Araújo; Heloise Beatriz Quesada; Rosângela Bergamasco; Daniel Tait Vareschini; Maria Angélica Simões Dornellas de Barros
Source:
Bioresource technology 2020 v.310 pp. 123399
ISSN:
0960-8524
Subject:
acetaminophen; activated carbon; adsorbents; adsorption; carbonization; hot water treatment; hydrochars; lignocellulose; potassium hydroxide; sorption isotherms; spent grains; surface area; surface water
Abstract:
... Acetaminophen has shown a gradual increase in detection in surface waters. Although present in low concentrations, it should be removed to prevent deleterious effects. Thus, adsorption onto activated carbon is emphasized. Adsorbents may be produced by hydrothermal carbonization (HTC), an environmental-friendly process. Therefore, this work aimed to investigate the use of HTC, verifying its applica ...
DOI:
10.1016/j.biortech.2020.123399

5. Algal biodiesel production with engineered biochar as a heterogeneous solid acid catalyst

Author:
Bunushree Behera; Mari Selvam S; Baishali Dey; P. Balasubramanian
Source:
Bioresource technology 2020 v.310 pp. 123392
ISSN:
0960-8524
Subject:
algal oils; biochar; biodiesel; catalysts; catalytic activity; coconuts; corn cobs; esters; fuel production; gas chromatography-mass spectrometry; methanol; microalgae; moieties; oleic acid; palmitic acid; peanut hulls; spectral analysis; sugarcane bagasse; surface area; transesterification
Abstract:
... This study evaluates the use of engineered biochar as a heterogeneous solid acid catalyst for transesterification of algal oil derived from a native microalgal consortium. Biochar derived from sugarcane bagasse, coconut shell, corncob and peanut shell were evaluated for catalytic activity following surface modification. Peanut shell pyrolyzed at 400 °C with the sulfonic acid density of 0.837 mmol/ ...
DOI:
10.1016/j.biortech.2020.123392

6. Ammonia oxidation and denitrification in a bio-anode single-chambered microbial electrolysis cell

Author:
Decong Zheng; Wenzhi Gu; Qinmao Zhou; Lixia Zhang; Cuicui Wei; Qingzhuoma Yang; Daping Li
Source:
Bioresource technology 2020 v.310 pp. 123466
ISSN:
0960-8524
Subject:
Comamonas; Desulfomicrobium; Desulforhabdus; Nitrosomonas; Thauera; acetates; ammonia; bioanodes; denitrification; microbial electrolysis cells; nitrate reduction; nitrification; nitrogen; oxidation; oxygen; total nitrogen
Abstract:
... In this study, anodic ammonia oxidation and denitrification were performed in single-chamber bioelectrochemical systems at a wide range of anodic potentials (−400 to +400 mV) versus Ag/AgCl. The low coulombic efficiencies (~30.84%) in reactors were mainly due to electrons being transferred to atmospheric oxygen through the electrode and reversal of the electrode. The removal efficiencies of acetat ...
DOI:
10.1016/j.biortech.2020.123466

7. Analysis of thermal degradation of banana (Musa balbisiana) trunk biomass waste using iso-conversional models

Author:
Mohit Kumar; Sushil Kumar Shukla; S.N. Upadhyay; P.K. Mishra
Source:
Bioresource technology 2020 v.310 pp. 123393
ISSN:
0960-8524
Subject:
Gibbs free energy; Musa balbisiana; activation energy; bananas; biomass; differential scanning calorimetry; enthalpy; entropy; models; pyrolysis; reaction mechanisms; thermogravimetry; wastes
Abstract:
... The thermo-chemical characterization (proximate and ultimate analyses and higher heating value) of banana trunk biomass waste has been carried out. The thermo-gravimetric and differential scanning calorimetric (DSC) investigations have been made at heating rates of 10, 15, 20 and 25 °C/min. The TGA data have been used to carry out kinetic analysis and evaluate the kinetic and thermodynamic paramet ...
DOI:
10.1016/j.biortech.2020.123393

8. Analytical and microwave pyrolysis of empty oil palm fruit bunch: Kinetics and product characterization

Author:
P. Francis Prashanth; M. Midhun Kumar; R. Vinu
Source:
Bioresource technology 2020 v.310 pp. 123394
ISSN:
0960-8524
Subject:
Elaeis guineensis; Fourier transform infrared spectroscopy; activation energy; ash content; biomass; data collection; fatty acids; fruits; gas chromatography; phenolic compounds; pyrolysis; spectrometers; temperature
Abstract:
... This study is focused on kinetics and product distribution from untreated empty oil palm fruit bunch (EOPFB) biomass and treated EOPFB using analytical pyrolysis combined with gas chromatograph/mass spectrometer and Fourier transform infrared spectrometer, and microwave pyrolysis. Industrial water wash led to significant reduction in ash content of EOPFB from 5.9 wt% to 0.7 wt%. Isothermal mass lo ...
DOI:
10.1016/j.biortech.2020.123394

9. Biocathodic performance of bioelectrochemical systems operated at low temperature

Author:
Guodong Zhang; Feng Su; Yan Jiao; Qinghua Chen; Duu-Jong Lee
Source:
Bioresource technology 2020 v.310 pp. 123463
ISSN:
0960-8524
Subject:
Acidovorax; Actinobacteria; Azoarcus; Bacteroidetes; Firmicutes; Halomonas; bacterial communities; biofilm; biosynthesis; cathodes; energy; technology; temperature
Abstract:
... This study investigated the effects of operational temperature on cathodic performances of five bioelectrochemical reactors operated in parallel at 25–7 °C, and on the biofilm microbial community at the end of tests. Compared with the anodic biofilm, the cathodic biofilm has high stability subjected to temperature shift in the aspect of cathode potentials, redox activities, and internal resistance ...
DOI:
10.1016/j.biortech.2020.123463

10. Biochar amendment of stormwater bioretention systems for nitrogen and Escherichia coli removal: Effect of hydraulic loading rates and antecedent dry periods

Author:
Md Yeasir A. Rahman; Mahmood H. Nachabe; Sarina J. Ergas
Source:
Bioresource technology 2020 v.310 pp. 123428
ISSN:
0960-8524
Subject:
Escherichia coli; adsorption; aerobic conditions; ammonium nitrogen; biochar; bioretention areas; cation exchange capacity; denitrification; dissolved organic carbon; indicator species; nitrification; nitrogen; sand; saturated conditions; stormwater; surface area; total nitrogen; water content; water quality
Abstract:
... Bioretention systems improve stormwater infiltration and water quality; however, limited total nitrogen (TN) and fecal indicator bacteria (FIB) removal is observed in sand-based bioretention media. In this study, the fate of nitrogen and E. coli in bioretention systems was investigated through batch and column studies using sand media, with and without biochar addition. Variables investigated incl ...
DOI:
10.1016/j.biortech.2020.123428

11. Biodegradation of lignocellulosic agricultural residues by a newly isolated Fictibacillus sp. YS-26 improving carbon metabolic properties and functional diversity of the rhizosphere microbial community

Author:
Yufeng Chen; Wei Wang; Dengbo Zhou; Tao Jing; Kai Li; Yankun Zhao; Wen Tang; Dengfeng Qi; Miaoyi Zhang; Xiaoping Zang; Yanping Luo; Jianghui Xie
Source:
Bioresource technology 2020 v.310 pp. 123381
ISSN:
0960-8524
Subject:
agricultural wastes; alpha-amylase; bananas; biodegradation; biomass; carbon; carboxylic acids; cellulolytic bacteria; corals; culture media; functional diversity; lignocellulose; metabolism; microbial communities; plantlets; polygalacturonase; polymers; proteinases; rhizosphere; soil electrical conductivity; soil microorganisms; soybean meal; total nitrogen; xylanases
Abstract:
... A new isolated cellulolytic bacterium from a soft coral was named as Fictibacillus sp YS-26 based on the morphologic and molecular characteristics. It can degrade different lignocellulosic agricultural residues by producing cellulolytic enzymes, α-amylase, protease, pectinase and xylanase. Especially, Fictibacillus sp. YS-26 exhibited the highest cellulolytic activities in the soybean meal medium. ...
DOI:
10.1016/j.biortech.2020.123381

12. Bulking and floatation of the anammox-HAP granule caused by low phosphate concentration in the anammox reactor of expanded granular sludge bed (EGSB)

Author:
Yi Xue; Haiyuan Ma; Zhe Kong; Yan Guo; Yu-You Li
Source:
Bioresource technology 2020 v.310 pp. 123421
ISSN:
0960-8524
Subject:
anaerobic ammonium oxidation; biofilm; bubbles; granules; phosphates; proteins; sludge; total nitrogen; viscoelasticity
Abstract:
... The effect of phosphate concentration on the anammox-HAP process was investigated in this work. A high total nitrogen removal efficiency (>82.6%) and a stable total phosphate removal efficiency (>56.2%) was achieved in reactor with the phosphate concentration over 11.4 mg L⁻¹. However, a phosphate concentration below to 5.7 mg L⁻¹, a floatation of sludge occurred caused the deterioration of proces ...
DOI:
10.1016/j.biortech.2020.123421

13. Chlorella to fuel conversion on amphiphilic SO3H-SBA-15 catalysts: Pyrolysis characteristics and kinetics

Author:
Cong Yu; Lu Yue; Junjie Bian; Zhilei Qi; Chunhu Li
Source:
Bioresource technology 2020 v.310 pp. 123472
ISSN:
0960-8524
Subject:
Chlorella; activation energy; catalysts; emulsions; fuel production; heat; hexadecane; hydrophobicity; models; palmitic acid; pyrolysis; technology; temperature; thermal stability
Abstract:
... The aim of this work was to propose a novel process to make Chlorella pyrolyzed and in situ upgraded to fuel over amphiphilic SO₃H-SBA-15 catalysts. This strategy is developed to build a Pickering emulsion system through the w/o (water/decalin) droplets. Chlorella catalytic pyrolysis has been conducted under the different heating rates to get the activation energy 166 kJ/mol (α = 0.5) according to ...
DOI:
10.1016/j.biortech.2020.123472

14. Comparative pyrolysis behaviors of stalk, wood and shell biomass: Correlation of cellulose crystallinity and reaction kinetics

Author:
Hanping Chen; Zihao Liu; Xu Chen; Yingquan Chen; Zhiguo Dong; Xianhua Wang; Haiping Yang
Source:
Bioresource technology 2020 v.310 pp. 123498
ISSN:
0960-8524
Subject:
activation energy; biomass; cellulose; crystal structure; hemicellulose; pyrolysis; reaction kinetics; technology; temperature; thermogravimetry; wood
Abstract:
... In this study, the pyrolysis process of 20 kinds of biomass samples in 3 types (stalk-type, wood-type and shell-type) was investigated with thermogravimetric analyzer, and the correlation of biomass pyrolysis property with biomass chemical structure was put forward. The results showed that the pyrolysis of the 20 kinds of biomass can be classified by types as the pyrolysis of stalk-type biomass ha ...
DOI:
10.1016/j.biortech.2020.123498

15. Coupling self-sustaining air flotation screening with conventional CSTR enhances anaerobic biodegradability of corn stover

Author:
Xiaohu Dai; Yu Hua; Huiping Li; Rui Liu; Shuxian Chen; Lingling Dai; Chen Cai
Source:
Bioresource technology 2020 v.310 pp. 123417
ISSN:
0960-8524
Subject:
Bacteroidetes; Proteobacteria; bacterial communities; biodegradability; community structure; corn stover; digestibility; lignocellulose; mass transfer; methane production; screening; straw
Abstract:
... The anaerobic biodegradability of lignocellulosic crop waste could be improved by proper pretreatments, but little information is available on enhancing straw digestibility through the reactor configuration. In a lab-based batch experiment, a novel reactor was established to testify the possibility to enhance anaerobic biodegradability of corn stover (CS) by coupling a self-sustaining air flotatio ...
DOI:
10.1016/j.biortech.2020.123417

16. Cultivation of methanotrophic bacteria in a novel bubble-free membrane bioreactor for microbial protein production

Author:
Borja Valverde-Pérez; Wei Xing; August A. Zachariae; Monika M. Skadborg; Astrid F. Kjeldgaard; Alejandro Palomo; Barth F. Smets
Source:
Bioresource technology 2020 v.310 pp. 123388
ISSN:
0960-8524
Subject:
amino acid composition; ammonia; environmental impact; essential amino acids; fermenters; ingredients; membrane bioreactors; methanotrophs; natural gas; nitrogen; protein content; protein sources; protein synthesis
Abstract:
... Microbial protein is proposed as an alternative protein source with low environmental impact. Methane oxidizing bacteria are already produced at commercial scale from natural gas. However, their productivity is limited because of the creation of explosive atmospheres in the fermenters during production. This work demonstrates the applicability of bioreactors with a membrane-based gas supply via di ...
DOI:
10.1016/j.biortech.2020.123388

17. Different adsorption behaviors and mechanisms of a novel amino-functionalized hydrothermal biochar for hexavalent chromium and pentavalent antimony

Author:
Jiaqin Deng; Xiaodong Li; Xue Wei; Yunguo Liu; Jie Liang; Yanan Shao; Wei Huang; Xiaojuan Cheng
Source:
Bioresource technology 2020 v.310 pp. 123438
ISSN:
0960-8524
Subject:
adsorption; antimony; biochar; chromium; heavy metals; humic substances; nicotinamide; nitric acid; wastewater treatment
Abstract:
... A novel amino-functionalized hydrothermal biochar modified with nitric acid and nicotinamide (NMSH) was prepared and applied to remove heavy metal in different systems. The study of batch adsorption found that NMSH had different adsorption behaviors for Cr(VI) and Sb(V), and different concentrations of heavy metal ions exhibited different coadsorption behaviors in mixed system. NMSH had great anti ...
DOI:
10.1016/j.biortech.2020.123438

18. Dynamic biogas production from anaerobic digestion of sewage sludge for on-demand electricity generation

Author:
Mauro Lafratta; Rex B. Thorpe; Sabeha K. Ouki; Achame Shana; Eve Germain; Mark Willcocks; Jacquetta Lee
Source:
Bioresource technology 2020 v.310 pp. 123415
ISSN:
0960-8524
Subject:
anaerobic digestion; biogas; electricity; electricity generation; gas production (biological); sewage sludge; thermal hydrolysis
Abstract:
... The aim of this work was to study the potentials and benefits of dynamic biogas production from Anaerobic Digestion (AD) of sewage sludge. The biogas production rate was aimed to match the flexible demand for electricity generation and so appropriate feeding regimes were calculated and tested in both pilot and demonstration scale.The results demonstrate that flexibilization capability exists for b ...
DOI:
10.1016/j.biortech.2020.123415

19. Dynamic profiles of fermentation characteristics and bacterial community composition of Broussonetia papyrifera ensiled with perennial ryegrass

Author:
Lifeng Dong; Hongsen Zhang; Yanhua Gao; Qiyu Diao
Source:
Bioresource technology 2020 v.310 pp. 123396
ISSN:
0960-8524
Subject:
Broussonetia papyrifera; Enterobacter; Lactobacillus; Lolium perenne; Stenotrophomonas; ammonium nitrogen; bacterial communities; carbohydrate content; community structure; epiphytes; feed quality; forage; lactic acid; livestock production; microorganisms; pH; plant extracts; ruminants; silage; silage fermentation
Abstract:
... Broussonetia papyrifera (B. papyrifera) has been proposed to improve silage fermentation due to its high content of protein and abundant active plant extracts. Thus, dynamic profiles of fermentation quality and bacterial community of B. papyrifera mixing with perennial ryegrass in different ratios: 100:0, 90:10, 80:20, 70:30, 60:40, and 50:50 were examined during 60-d fermentation. Results showed ...
DOI:
10.1016/j.biortech.2020.123396

20. Effect of lime mud on the reaction kinetics and thermodynamics of biomass pyrolysis

Author:
Hui Li; Nan Zhou; Leilei Dai; Yanling Cheng; Kirk Cobb; Paul Chen; Roger Ruan
Source:
Bioresource technology 2020 v.310 pp. 123475
ISSN:
0960-8524
Subject:
activation energy; biomass; catalysts; corn cobs; nitrogen; papermaking; pyrolysis; reaction kinetics; sawdust; solid wastes; thermogravimetry
Abstract:
... The solid waste from papermaking factory, lime mud (LM), was previously demonstrated as an effective catalyst in biomass pyrolysis. Since understanding the kinetics and thermodynamics is the critical step for pyrolysis development, thereby the effect of LM on the kinetics and thermodynamics for biomass pyrolysis was systematically investigated in this study. More specifically, two representative b ...
DOI:
10.1016/j.biortech.2020.123475