Microbial community and N removal of aerobic granular sludge at high COD and N loading rates.

abstract：:The application of aerobic granular sludge (AGS) is a promising biological method for wastewater treatment. In the present study, the AGS method was used for the treatment of petroleum wastewater. The granulation process and organic/nitrogen compound removal efficiencies were determined and correlated with the microbi...

journal_title：Bioresource technology

authors： Chen C,Ming J,Yoza BA,Liang J,Li QX,Guo H,Liu Z,Deng J,Wang Q

更新日期：2019-01-01 00:00:00

abstract：:The effects of lime mud from papermaking process (LMP) addition as buffer agent and inorganic nutrient on the anaerobic digestion stability of food waste (FW) were investigated under mesophilic conditions with the aim of avoiding volatile fatty acids accumulation, and inorganic elements deficiency. When LMP concentrat...

journal_title：Bioresource technology

authors： Zhang J,Wang Q,Zheng P,Wang Y

更新日期：2014-10-01 00:00:00

abstract：:The bacterial diversity and dynamics in the leaching solution were analyzed during bioleaching of low-grade copper sulfide ore in the presence of seawater in this study. The results indicated a promoting response of appropriate-proportion seawater to bioleaching with improved copper recoveries. A maximum of 84.70% cop...

journal_title：Bioresource technology

authors： Chen W,Yin S,Wu A,Wang L,Chen X

更新日期：2020-02-01 00:00:00

abstract：:In this study a complementary modeling and experimental approach was used to explore how growth controls the NADPH generation and availability, and the resulting impact on PHB (polyhydroxybutyrate) yields and kinetics. The results show that the anabolic demand allowed the NADPH production through the Entner-Doudoroff ...

journal_title：Bioresource technology

authors： Grousseau E,Blanchet E,Déléris S,Albuquerque MG,Paul E,Uribelarrea JL

更新日期：2013-11-01 00:00:00

abstract：:Innovative and cost-effective technologies for advanced nutrient removal from surface water are urgently needed for improving water quality. Conventional biotechnologies, such as ecological floating beds, or constructed wetlands, are not effective in removing nutrients present at low-concentration. However, microalgae...

journal_title：Bioresource technology

authors： Liu J,Wu Y,Wu C,Muylaert K,Vyverman W,Yu HQ,Muñoz R,Rittmann B

更新日期：2017-10-01 00:00:00

abstract：:The effects of different concentrations of copper sulfate on the growth of and the accumulation of Cu2+ by root, hypocotyl, cotyledon and leaf growth of sunflower (Helianthus annuus L.) were examined in this study. The concentrations of copper sulfate (CuSO4 x 5H2O) used were in the range from 10(-5) to 10(-3) M. Seed...

journal_title：Bioresource technology

authors： Lin J,Jiang W,Liu DC

更新日期：2003-01-01 00:00:00

abstract：:Gluconobacter oxydans can rapidly and effectively transform glycerol to dihydroxyacetone (DHA) by membrane-bound quinoprotein sorbitol dehydrogenase (mSLDH). Two mutant strains of GDHE Δadh pBBR-PtufBsldAB and GDHE Δadh pBBR-sldAB derived from the GDHE strain were constructed for the enhancement of DHA production. Gro...

journal_title：Bioresource technology

authors： Lu L,Wei L,Zhu K,Wei D,Hua Q

更新日期：2012-08-01 00:00:00

abstract：:The sapB gene encoding for Bacillus pumilus CBS protease (SAPB) and the triple mutated sapB-L31I/T33S/N99Y gene were cloned and overexpressed in the protease-deficient Bacillus subtilis DB430 using an Escherichia coli-Bacillus shuttle vector pBSMuL2. The 34,625.13 and 34,675.11-Da enzymes were purified from the cultur...

journal_title：Bioresource technology

authors： Jaouadi NZ,Jaouadi B,Aghajari N,Bejar S

更新日期：2012-02-01 00:00:00

abstract：:Fe is widely used as an additive in anaerobic digestion, but its bioavailability and the mechanism by which it enhances digestion are unclear. In this study, sequential extraction was used to measure Fe bioavailability, while biochemical parameters, kinetics model and Q-PCR (fluorescence quantitative PCR) were used to...

journal_title：Bioresource technology

authors： Cai Y,Zhao X,Zhao Y,Wang H,Yuan X,Zhu W,Cui Z,Wang X

更新日期：2018-02-01 00:00:00

abstract：:This study investigated the effect of designed microbial consortia on biomining of low grade base-metal sulfide tailings. The results show the amount of recycled metals were equal if the tailings were leached by mixed cultures of Leptospirillum ferriphilum and Acidithiobacillus thiooxidans at three different ratios or...

journal_title：Bioresource technology

authors： Liao X,Sun S,Zhou S,Ye M,Liang J,Huang J,Guan Z,Li S

更新日期：2019-12-01 00:00:00

abstract：:Delignified corncob residue is an industrial solid waste from xylose production using corncob as feedstock. In this study, delignified corncob residue was used as the feedstock of ethanol production by simultaneous saccharification and fermentation (SSF) and the optimal fermentation performance was investigated under ...

journal_title：Bioresource technology

authors： Lei C,Zhang J,Xiao L,Bao J

更新日期：2014-09-01 00:00:00

abstract：:In this study, a pilot-scale anaerobic dynamic membrane bioreactor was operated for 142days for treating landfill leachate. Under stable operation, average COD removal efficiency of 62.2% was achieved when the reactor was fed with the raw leachate containing total ammonium concentration above 3000mg/L and COD above 13...

journal_title：Bioresource technology

authors： Xie Z,Wang Z,Wang Q,Zhu C,Wu Z

更新日期：2014-06-01 00:00:00

abstract：:A simultaneous saccharification, fermentation, and recovery (SSFR) process was developed for the production of acetone-butanol-ethanol (AB or ABE), of which butanol is the main product, from corn stover employing Clostridium beijerinckii P260. Of the 86 g L(-1) corn stover provided, over 97% of the sugars were release...

journal_title：Bioresource technology

authors： Qureshi N,Singh V,Liu S,Ezeji TC,Saha BC,Cotta MA

更新日期：2014-02-01 00:00:00

abstract：:Cylindrical graphite microbial fuel cell (MFC) configuration designed by eliminating distinct casing and membrane was evaluated for bioelectrogenesis and treatment of real-field wastewaters. Both petroleum refinery wastewater (PRW) and Labanah whey wastewater (LW) were used as substrates, and investigated for electric...

journal_title：Bioresource technology

authors： Mohanakrishna G,Abu-Reesh IM,Al-Raoush RI,He Z

更新日期：2018-01-01 00:00:00

abstract：:Arthrospira (Spirulina) platensis is known to have high-quality proteins content and phycocyanin as one of the major pigment constituents of the cells, and the most challenging problem associated with phycocyanin production in Arthrospira is to optimize its intracellular accumulation. The present study evaluated the m...

journal_title：Bioresource technology

authors： Manirafasha E,Murwanashyaka T,Ndikubwimana T,Rashid Ahmed N,Liu J,Lu Y,Zeng X,Ling X,Jing K

更新日期：2018-05-01 00:00:00

abstract：:Effects of NO3(-)/SO4(2-) ratio on denitrification and sulfate removal efficiency were investigated in model experiments applying haloalkaliphilic bioreactor. The reduction of both substrates performed well at different NO3(-)/SO4(2-) ratios ranging from 17.6 to l.5. The removal rates of nitrate and sulfate were 6 and...

journal_title：Bioresource technology

authors： Zhou JM,Song ZY,Yan DJ,Liu YL,Yang MH,Cao HB,Xing JM

更新日期：2014-02-01 00:00:00

abstract：:Polyhydroxyalkanoates (PHAs) production was carried out under various C:N ratios. A ratio of 100 resulted best polymer yield. C-source was an important factor in synthesis. For example, as the ratio of valeric acid (C5) to butyric acid (C4) in N-free medium was increased, the mole fraction of HV in the copolymer incre...

journal_title：Bioresource technology

authors： Wang YJ,Hua FL,Tsang YF,Chan SY,Sin SN,Chua H,Yu PH,Ren NQ

更新日期：2007-05-01 00:00:00

abstract：:Phosphoric acid (H(3)PO(4)) and sodium hydroxide (NaOH) treated rice husks, followed by carbonization in a flowing nitrogen were used to study the adsorption of malachite green (MG) in aqueous solution. The effect of adsorption on contact time, concentration of MG and adsorbent dosage of the samples treated or carboni...

journal_title：Bioresource technology

authors： Rahman IA,Saad B,Shaidan S,Sya Rizal ES

更新日期：2005-09-01 00:00:00

abstract：:The reaction conditions used during dilute-acid pretreatment of lignocellulosic biomass control the carbohydrate digestion yield and also hydrolyzate properties. Depending on the conversion route of interest, solid-liquid separation (SLS) may be required to split the hemicellulose-rich liquor from the cellulose-rich i...

journal_title：Bioresource technology

authors： Sievers DA,Kuhn EM,Tucker MP,McMillan JD

更新日期：2017-11-01 00:00:00

abstract：:The present study deals with the sorption of Cd(II) and Pb(II) by exopolymeric substances (EPS) extracted from activated sludges or pure bacterial strains. The percentage of sorbed metal increases with the concentration of the EPS-water solution. Pb(II) always presents a higher affinity than Cd(II) for EPS. For the EP...

journal_title：Bioresource technology

authors： Guibaud G,van Hullebusch E,Bordas F,d'Abzac P,Joussein E

更新日期：2009-06-01 00:00:00

abstract：:The process of biodiesel production from corn oil catalyzed by lipozyme TL IM, an inexpensive 1,3-position specific lipase from Thermomyces lanuginosus was optimized by response surface methodology (RSM) and a central composite rotatable design (CCRD) was used to study the effects of enzyme dosage, ratio of t-butanol ...

journal_title：Bioresource technology

authors： Wang Y,Wu H,Zong MH

更新日期：2008-10-01 00:00:00

abstract：:This study has assessed four invasive weeds, viz. Saccharum spontaneum (SS), Mikania micrantha (MM), Lantana camara (LC) and Eichhornia crassipes (EC) for enzymatic hydrolysis prior to bioalcohol fermentation. Enzymatic hydrolysis of pretreated biomasses of weeds has been conducted with mechanical agitation and sonica...

journal_title：Bioresource technology

authors： Borah AJ,Agarwal M,Poudyal M,Goyal A,Moholkar VS

更新日期：2016-08-01 00:00:00

abstract：:Different culture conditions for Protaminobacter rubrum and enzymatic reaction parameters were evaluated with the goal of improving isomaltulose production. P. rubrum was grown in a medium with 1% (w/v) cane molasses and 0.5% yeast extract and achieved a maximum cell yield Y(x/s) of 0.295 g of cells/g sucrose and a sp...

journal_title：Bioresource technology

authors： de Oliva-Neto P,Menão PT

更新日期：2009-09-01 00:00:00

abstract：:Quantitative recovery is necessary for scale-up application of acidic ionic liquids (AILs). Ultrafiltration and bipolar membrane electrodialysis (BMED) was employed for the recovery and regeneration of acidic ionic liquid 1-butyl-3-methylimidazolium hydrogen sulphate (Bmim[HSO4]) after biomass pretreatment. Ultrafiltr...

journal_title：Bioresource technology

authors： Liang X,Wang J,Liu H

更新日期：2021-01-18 00:00:00

abstract：:In this research, organic solvent composed of hexane and methanol was used for lipid extraction from dry and wet biomass of Chlorella vulgaris. The results indicated that lipid and fatty acid extraction yield was decreased by increasing the moisture content of biomass. However, the maximum extraction efficiency was at...

journal_title：Bioresource technology

authors： Malekzadeh M,Abedini Najafabadi H,Hakim M,Feilizadeh M,Vossoughi M,Rashtchian D

更新日期：2016-02-01 00:00:00

abstract：:Lignocellulose biorefineries are distinguished by an explicitly integrative, multi-functional concept that transforms biomass into multiple products, using a variety of conversion and separation processes. This study focuses on the technical design and economic evaluation of a lignocellulose biorefinery, that converts...

journal_title：Bioresource technology

authors： Nitzsche R,Budzinski M,Gröngröft A

更新日期：2016-01-01 00:00:00

abstract：:In this study, three types of biomass were first pretreated with an aqueous phase bio-oil instead of traditional acid washing. Then, the washed samples were pretreated with drying (100 ℃, 30 min) and torrefaction (250 ℃, 30 min) using a parabolic-trough solar receiver system. The subsequent pyrolysis was performed at ...

journal_title：Bioresource technology

authors： Chen D,Cen K,Cao X,Zhang J,Chen F,Zhou J

更新日期：2020-06-01 00:00:00

abstract：:Porous starch was used as a precursor for hierarchical porous carbon microspheres. The preparation consisted of stabilisation, carbonisation and KOH activation, and the resultant hierarchical porous carbon microspheres had a large BET surface area of 3251 m(2)g(-1). Due to the large surface area and the hierarchical p...

journal_title：Bioresource technology

authors： Du SH,Wang LQ,Fu XT,Chen MM,Wang CY

更新日期：2013-07-01 00:00:00

abstract：:Potential of an oriental composting earthworm: Perionyx excavatus (Perrier) to decompose waste resources generated from agricultural practices (crop residues, farm yard manure, and cattle dung) was studied for 150days under laboratory conditions. At the end of experiment, all vermibeds showed significant decrease in t...

journal_title：Bioresource technology

authors： Suthar S

更新日期：2007-05-01 00:00:00

abstract：:In this study, various alkali-pretreated lignocellulose enzymatic hydrolyses were evaluated by using three standard pairs of Miscanthus accessions that showed three distinct monolignol (G, S, H) compositions. Mfl26 samples with elevated G-levels exhibited significantly increased hexose yields of up to 1.61-fold compar...

journal_title：Bioresource technology

authors： Li M,Si S,Hao B,Zha Y,Wan C,Hong S,Kang Y,Jia J,Zhang J,Li M,Zhao C,Tu Y,Zhou S,Peng L

更新日期：2014-10-01 00:00:00