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Establishment and verification of a shrinking core model for dilute acid hydrolysis of lignocellulose

Cunwen WANG, Xiaoling DUAN, Weiguo WANG, Zihao LI, Yuanhang QIN

Frontiers in Energy 2012, Volume 6, Issue 4,   Pages 413-419 doi: 10.1007/s11708-012-0212-z

Abstract: The kinetics of lignocellulose hydrolysis under the conditions of high temperature and dilute acid (masssugar concentration versus reaction temperature (170°C–220°C) and reaction time (150–1800 s) during the hydrolysis

Keywords： lignocellulose     dilute acid hydrolysis     shrinking core model    

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Kinetic studies of xylan hydrolysis of corn stover in a dilute acid cycle spray flow-through reactor

Hongman ZHANG, Qiang JIN, Rui XU, Lishi YAN, Zengxiang LIN

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 252-257 doi: 10.1007/s11705-010-1010-y

Abstract: Xylan of corn stover was pretreated with 1%, 2% and 3% (w/w) sulfuric acid at relatively low temperatures(90°C, 95°C and 100°C) in a dilute acid cycle spray flow-through reactor (DCF).The hydrolysis of xylan to its monomeric xylose was modeled by a series of first-order reactions.Both biphasic and Saeman hydrolysis models were applied to fit the experimental data.The results confirmed that the kinetic data of xylan hydrolysis fitted a first-order irreversible reaction

Keywords： corn stover     xylan hydrolysis     biphasic model     Saeman model     cycle spray     kinetics    

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Benzenesulfonic acid-grafted UIO-66 with improved hydrophobicity as a stable Brønsted acid catalyst

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1389-1398 doi: 10.1007/s11705-022-2285-5

Abstract: Here, we report a facile strategy to introduce the macromolecular acid group to UIO-66 to improve theIn detail, UIO-66−PhSO3H was obtained by grafting benzenesulfonic acid on the surface of the-66 to introduce the hydrophobicity, as well as the Brønsted acidity, then assessed using catalytic hydrolysis

Keywords： metal−organic frameworks (MOFs)     UIO-66     hydrolysis of cyclohexyl acetate     hydrophobicity     Brønsted acidity    

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Experimental studies on extraction of cobalt ions from dilute aqueous solutions by using complexation-ultrafiltration

Jianxian ZENG, Junfeng LIU, Niandong HUANG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 360-366 doi: 10.1007/s11705-009-0269-3

Abstract: The extraction of cobalt ions from dilute aqueous solutions was investigated by ultrafiltration withthe help of poly(acrylic acid) sodium salt (PAASS).
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Research progress on hydrothermal dissolution and hydrolysis of lignocellulose and lignocellulosic waste

Yan ZHAO, Wenjing LU, Jiajun CHEN, Xiangfeng ZHANG, Hongtao WANG

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 2,   Pages 151-161 doi: 10.1007/s11783-013-0607-z

Abstract: Previous studies have shown that pretreatment and hydrolysis are key processes for lignocellulose conversioncritically reviewed the progress done in the research and development of the hydrothermal dissolution and hydrolysisPrinciples, processes, and related studies on separate dissolution and asynchronous hydrolysis of lignin

Keywords： lignocellulosic waste     hydrothermal conversion     separate dissolution     asynchronous hydrolysis     mechanism    

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Investigation of bubble diameter and flow regime between water and dilute aqueous ethanol solutions in

Baharak SAJJADI, Mostafa Keshavarz MORAVEJI, Reza DAVARNEJAD

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 194-202 doi: 10.1007/s11705-010-1019-2

Abstract: The gas hold-up in dilute ethanol solutions were more than (around 2 times) that of pure water and increased

Keywords： airlift rector     bubble diameter     gas hold-up     flow regime     ethanol    

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Catalytic hydrolysis of gaseous HCN over Cu–Ni/γ-Al

Linxia Yan, Senlin Tian, Jian Zhou, Xin Yuan

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0872-8

Abstract: The Cu–Ni/γ-Al O catalyst was prepared to study HCN hydrolysis ?The presence of CO facilitates HCN hydrolysis and increases NH production. ?To examine further the efficiency of HCN hydrolysis, degradation products were analyzed.HCN hydrolysis.The presence of CO facilitates HCN hydrolysis andincreases NH production.

Keywords： Hydrogen cyanide     Cu–Ni/g-Al2O3     Catalytic hydrolysis    

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Characterization of value-added chemicals derived from the thermal hydrolysis and wet oxidation of sewage

Milan Malhotra, Anurag Garg

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1305-2

Abstract: . • Solids and carbon balance confirmed loss of organics during thermal hydrolysis. • Reaction pathwaysfor thermal hydrolysis and wet oxidation are proposed.We evaluated the effect of hydrothermal pretreatments, i.e., thermal hydrolysis (TH) and wet oxidationby oxidative degradation of organics into smaller molecular weight carboxylic acids such as acetic acid

Keywords： Hydrothermal pretreatment     Reaction kinetics     Reaction pathway     Sewage sludge     Thermal hydrolysis     Wet oxidation    

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Microwave-assisted catalyst-free hydrolysis of fibrous cellulose for deriving sugars and biochemicals

Songshan Jiang, Helen Daly, Huan Xiang, Ying Yan, Huiping Zhang, Christopher Hardacre, Xiaolei Fan

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 718-726 doi: 10.1007/s11705-019-1804-5

Abstract: Microwave (MW) assisted catalyst-free hydrolysis of fibrous cellulose (FC, cellulolysis) at 200°C promoted

Keywords： microwave     fibrous cellulose     hydrolysis     sugars     mechanism    

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Dissolution and enzymatic hydrolysis of casein micelles studied by dynamic light scattering

LIU Rui, QI Wei, SU Rongxin, ZHANG Yubin, JIN Fengmin, HE Zhimin

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2,   Pages 123-127 doi: 10.1007/s11705-007-0023-7

Abstract: The effects of temperature, ionic strength, and enzymatic hydrolysis on the average hydrodynamic radiusThe value of casein increased rapidly during the process of enzymatic hydrolysis, and the structuralmodel of casein micelles in the enzymatic hydrolysis process was also proposed, i.e. the casein micelle

Keywords： compact     strength     temperature     regularly flocky     heating    

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Development of combined coagulation-hydrolysis acidification-dynamic membrane bioreactor system for treatment

Xue Shen, Lei Lu, Baoyu Gao, Xing Xu, Qinyan Yue

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 1, doi: 10.1007/s11783-019-1093-8

Abstract:

• The system was composed of coagulation, hydrolysis

Keywords： Coagulation     Hydrolysis acidification     Dynamic membrane bioreactor     Polymer flooding    

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Acceleration of the particulate organic matter hydrolysis by start-up stage recovery and its original

Yanqing Duan, Aijuan Zhou, Xiuping Yue, Zhichun Zhang, Yanjuan Gao, Yanhong Luo, Xiao Zhang

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1304-3

Abstract: . • The unique microbial communities facilitated the efficient hydrolysis of the POM. • ConsiderableTo address the availability of carbon sources for denitrification, the accelerated hydrolysis of theThe changes in soluble carbohydrates and proteins were monitored to investigate the hydrolysis performanceefficiency of POM was obtained, in contrast to that of WAS (3.4%), with a hydrolysis constant of 0.39Furthermore, the potential benefits and application of improved POM hydrolysis by start-up stage recovery

Keywords： Particulate organic matter (POM)     Hydrolysis     Microbial community     Mass balance    

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Reduction of wastewater toxicity and change of microbial community in a hydrolysis acidification reactor

Xin Xing, Yin Yu, Hongbo Xi, Guangqing Song, Yajiao Wang, Jiane Zuo, Yuexi Zhou

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 6, doi: 10.1007/s11783-018-1055-6

Abstract:

HAP was verified to reduce the toxicity of TMP wastewater effectively.

Actual TMP wastewater was fed in HAP with different dilution ratios for 240 days.

Formaldehyde, 2-ethylacrolein, TMP and 2-ethylhexanol were all greatly removed.

Firmicutes became the dominant phylum (the abundance increased to 57.08%).

Keywords： Trimethylolpropane wastewater     Hydrolysis acidification process     Toxicity     Oxygen uptake rate     16S rDNA    

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Thermal Hydrolysis of Wastewater Sludge Followed by Fungal Fermentation for Organic Recovery and Hyphae Article

Jia-jin Liang, Bing Li, Lei Wen, Ruo-hong Li, Xiao-yan Li

Engineering 2021, Volume 7, Issue 2,   Pages 203-211 doi: 10.1016/j.eng.2020.09.002

Abstract: study developed a three-phase innovative strategy for sludge treatment and reduction, including thermal hydrolysisAfter two cycles of thermal hydrolysis, the overall volatile solid (VS) reduction ratios of the sludge

Keywords： Wastewater sludge     Thermal hydrolysis     Fungal fermentation     Hyphae fibers     Anaerobic digestion     Sludge    

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Experimental study and product analysis of lignocellulosic biomass hydrolysis under extremely low acids

WANG Shurong, LUO Zhongyang, CEN Kefa, ZHUANG Xinshu

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 268-272 doi: 10.1007/s11708-008-0046-x

Abstract: Using our self-designed facility for lignocellulosic biomass hydrolysis under extremely low acid, andhemicellulose and cellulose determined by xylan and quantitative filter paper as the model, two-step diluteacid hydrolysis was carried out in detail on pine, fast-growing poplar and maize straw.Finally, poplar hydrolysis residues were analyzed by proximate and ultimate analysis.

Keywords： HPLC     oligosaccharide     lignocellulosic     chromatography     reducing    

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Title Author Date Type Operation

Establishment and verification of a shrinking core model for dilute acid hydrolysis of lignocellulose

Cunwen WANG, Xiaoling DUAN, Weiguo WANG, Zihao LI, Yuanhang QIN

Journal Article

Kinetic studies of xylan hydrolysis of corn stover in a dilute acid cycle spray flow-through reactor

Hongman ZHANG, Qiang JIN, Rui XU, Lishi YAN, Zengxiang LIN

Journal Article

Benzenesulfonic acid-grafted UIO-66 with improved hydrophobicity as a stable Brønsted acid catalyst

Journal Article

Experimental studies on extraction of cobalt ions from dilute aqueous solutions by using complexation-ultrafiltration

Jianxian ZENG, Junfeng LIU, Niandong HUANG,

Journal Article

Research progress on hydrothermal dissolution and hydrolysis of lignocellulose and lignocellulosic waste

Yan ZHAO, Wenjing LU, Jiajun CHEN, Xiangfeng ZHANG, Hongtao WANG

Journal Article

Investigation of bubble diameter and flow regime between water and dilute aqueous ethanol solutions in

Baharak SAJJADI, Mostafa Keshavarz MORAVEJI, Reza DAVARNEJAD

Journal Article

Catalytic hydrolysis of gaseous HCN over Cu–Ni/γ-Al

Linxia Yan, Senlin Tian, Jian Zhou, Xin Yuan

Journal Article

Characterization of value-added chemicals derived from the thermal hydrolysis and wet oxidation of sewage

Milan Malhotra, Anurag Garg

Journal Article

Microwave-assisted catalyst-free hydrolysis of fibrous cellulose for deriving sugars and biochemicals

Songshan Jiang, Helen Daly, Huan Xiang, Ying Yan, Huiping Zhang, Christopher Hardacre, Xiaolei Fan

Journal Article

Dissolution and enzymatic hydrolysis of casein micelles studied by dynamic light scattering

LIU Rui, QI Wei, SU Rongxin, ZHANG Yubin, JIN Fengmin, HE Zhimin

Journal Article

Development of combined coagulation-hydrolysis acidification-dynamic membrane bioreactor system for treatment

Xue Shen, Lei Lu, Baoyu Gao, Xing Xu, Qinyan Yue

Journal Article

Acceleration of the particulate organic matter hydrolysis by start-up stage recovery and its original

Yanqing Duan, Aijuan Zhou, Xiuping Yue, Zhichun Zhang, Yanjuan Gao, Yanhong Luo, Xiao Zhang

Journal Article

Reduction of wastewater toxicity and change of microbial community in a hydrolysis acidification reactor

Xin Xing, Yin Yu, Hongbo Xi, Guangqing Song, Yajiao Wang, Jiane Zuo, Yuexi Zhou

Journal Article

Thermal Hydrolysis of Wastewater Sludge Followed by Fungal Fermentation for Organic Recovery and Hyphae

Jia-jin Liang, Bing Li, Lei Wen, Ruo-hong Li, Xiao-yan Li

Journal Article

Experimental study and product analysis of lignocellulosic biomass hydrolysis under extremely low acids

WANG Shurong, LUO Zhongyang, CEN Kefa, ZHUANG Xinshu

Journal Article