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Enhanced dewatering characteristics of waste activated sludge with Fenton pretreatment: effectiveness

Guangyin ZHEN, Xueqin LU, Baoying WANG, Youcai ZHAO, Xiaoli CHAI, Dongjie NIU, Tiantao ZHAO

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 2,   Pages 267-276 doi: 10.1007/s11783-013-0530-3

Abstract: In this work, the enhanced dewaterabing characteristics of waste activated sludge using Fenton pretreatmentThe results indicate that Fenton pretreatment is an effective technique for advanced waste activatedsludge dewatering.The enhancement of sludge dewaterability by Fenton’s reagent lies in the migration of sludge bound waterdue to the disintegration of sludge flocs and microbial cells lysis.

Keywords： Fenton pretreatment     response surface methodology (RSM)     capillary suction time (CST)     dewaterabilty     molecular    

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Fate of proteins of waste activated sludge during thermal alkali pretreatment in terms of sludge protein

Xiaoli Song, Zhenghua Shi, Xiufen Li, Xinhua Wang, Yueping Ren

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 2, doi: 10.1007/s11783-019-1114-7

Abstract: list>

Maillard reaction between reducing sugars and amides happened during pretreatmentitemcontent>

Over 90 min of TAH at the optimal condition, 67.59% sludge

Keywords： Sludge flocs     Microbial cells     Hydrolysate     Protein breakdown     Melanoidin    

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Distribution and removal of antibiotic resistance genes during anaerobic sludge digestion with alkaline

Mengli Wang, Ruying Li, Qing Zhao

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 3, doi: 10.1007/s11783-019-1127-2

Abstract:

Sludge digestion is critical to control the spread of ARGs from wastewater

Fate of ARGs in three pretreatment-AD processesitemcontent>

UP was more efficient for ARGs removal than AP and THP in pretreatment-AD

Keywords： Tetracycline resistance genes     Sulfonamide resistance genes     16S rRNA gene     Sludge pretreatment     Anaerobicsludge digestion    

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Aerobic granular sludge formation based on substrate availability: Effects of flow pattern and fermentationpretreatment

Quan Yuan, Hui Gong, Hao Xi, Kaijun Wang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1226-0

Abstract: The fermentation process is proposed as a pretreatment to improve AGS stability.The influences of flow patterns (mixed-flow and plug-flow) and fermentation pretreatment on aerobic granularsludge (AGS) formation with various substrate availability levels were investigated by running fourAn acidogenic up-flow sludge bed reactor was introduced as a pretreatment to improve the AGS performanceactual wastewater with low VFA concentrations, fermentation treatment was suggested as a promising pretreatment

Keywords： Anaerobic plug-flow feeding mode     Anaerobic mixed-flow mode     Fermentation pretreatment     Substrate gradient    

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

Milan Malhotra, Anurag Garg

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

Abstract: Abstract • Hydrothermal treatment can greatly improve resource recovery from sewage sludge. • tCOD removaleffect of hydrothermal pretreatments, i.e., thermal hydrolysis (TH) and wet oxidation (WO) on sewage sludgeDuring TH, the concentrations of carbohydrates and proteins in treated sludge were 400–1000 mg/L andBased on sludge transformation products generated during the hydrothermal pretreatments, simplified reactionFinally, the application of macromolecules (such as proteins), VFAs and nutrients present in the treated sludge

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

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Biological pretreatment of corn stover by solid state fermentation of

Jian ZHANG, Xin REN, Wenqun CHEN, Jie BAO

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 2,   Pages 146-151 doi: 10.1007/s11705-012-1220-6

Abstract: Biological pretreatment is a promising way to overcome the biorecalcitrance of cleaving the supermolecularfermentation of corn stover with the white-rot fungus was carried out and the efficiency of this pretreatmentdetermine the optimal timing and to understand the lignin structure and degradation mechanism in biological pretreatment

Keywords： biological pretreatment     Phanerochaete chrysosporium     solid state fermentation     biorecalcitrance    

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Pretreatment method of lignocellulosic materials for bioethanol production

Jin Shengying and Zhang Li’an

Strategic Study of CAE 2008, Volume 10, Issue 11,   Pages 82-88

Abstract:

The principle and practice of main pretreatment methods were reviewedstarting with an introduction of the necessary of pretreatment of lignocellulosic materials.In the end, the authors brought forward some suggestions for the development of pretreatment techniques

Keywords： lignocellulosic materials     bioethanol     pretreatment method    

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production in microbial electrolysis through strategies of carbon recovery from alkaline/thermal treated sludge

Ling Wang, Chunxue Yang, Sangeetha Thangavel, Zechong Guo, Chuan Chen, Aijie Wang, Wenzong Liu

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1348-4

Abstract: Abstract • High hydrogen yield is recovered from thermal-alkaline pretreated sludge. • Separating SFLinvestigate the biohydrogen production from thermal (T), alkaline (A) or thermal-alkaline (TA) pretreated sludgecentrifugation, which was 5.12, 2.35 and 43.25 times higher than that of individual alkaline, thermal pretreatmentand raw sludge, respectively.Separating SFL from sludge by centrifugation eliminated the negative effects of particulate matters,

Keywords： Waste activated sludge (WAS)     Short chain fatty acids (SCFAs)     Hydrogen     Pretreatment     Microbial electrolysis    

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Thermochemical pretreatment of meat and bone meal and its effect on methane production

Guangxue WU , Zhenhu HU , Mark G. HEALY , Xinmin ZHAN ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 300-306 doi: 10.1007/s11783-009-0031-6

Abstract: prerequisite in many MBM disposal approaches, enhancement of the solubilization by means of thermochemical pretreatment

Keywords： thermochemical pretreatment     meat and bone meal     solid reduction     solid solubilization     methane production    

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Comparison between inhibitor and uncoupler for minimizing excess sludge production of an activated sludge

CHEN Guowei, XI Pengge, XU Deqian, YU Hanqing

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 63-66 doi: 10.1007/s11783-007-0012-6

Abstract: In order to study the minimization of excess sludge production, the reduction in the excess sludge productionThe experimental results show that such an addition could effectively reduce the production of excess sludgeestablished in this work, energy uncoupling coefficient () was used to evaluate the reduction in excess sludgepresence of dNP, and that dNP was an effective uncoupler for reducing the production of excess activated sludge

Keywords： uncoupling coefficient     Cu     minimization     presence     uncoupling    

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Co-pyrolysis of sludge and kaolin/zeolite in a rotary kiln: Analysis of stabilizing heavy metals

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1488-1

Abstract:

• Adding kaolin/zeolite promotes the formation of stable heavy metals.

Keywords： Co-pyrolysis     Sewage sludge     Heavy metals     Rotary kiln     Immobilization mechanism    

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Optimization of microwave pretreatment of lignocellulosic waste for enhancing methane production: Hyacinth

Bai-Hang Zhao, Jie Chen, Han-Qing Yu, Zhen-Hu Hu, Zheng-Bo Yue, Jun Li

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0965-z

Abstract: The effect of microwave pretreatment on the anaerobic degradation of hyacinth was investigated usingThe components of lignin and the other constituents of hyacinth were altered by microwave pretreatmentrevealed that no new compounds were generated during hyacinth pretreatment by microwave irradiation.A maximum methane yield of 221 mL·g-sub was obtained under the optimum pretreatment conditions (substrateconcentration (PSC) = 20.1 g·L and pretreatment time (PT) = 14.6 min) using RSM analysis.

Keywords： Microwave pretreatment     Response surface methodology     Methane production     Hyacinth     Anaerobic digestion    

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Effect of thermal pretreatment on the surface structure of PtSn/SiO

Guozhen Xu, Jian Zhang, Shengping Wang, Yujun Zhao, Xinbin Ma

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 3,   Pages 417-424 doi: 10.1007/s11705-016-1583-1

Abstract: The effect of thermal pretreatment on the active sites and catalytic performances of PtSn/SiO catalystMeanwhile, with the increment of thermal pretreatment temperature, Pt dispersion showed a decreasingSimultaneously, the amount of Lewis acid sites was remarkably influenced by such thermal pretreatment

Keywords： thermal pretreatment     acetic acid     hydrogenation     ethanol     PtSn/SiO2    

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Cultivation of aerobic granular sludge in a conventional, continuous flow, completely mixed activatedsludge system

Xi CHEN,Linjiang YUAN,Wenjuan LU,Yuyou LI,Pei LIU,Kun NIE

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 324-333 doi: 10.1007/s11783-014-0627-3

Abstract: Aerobic granules were formed in a conventional, continuous flow, completely mixed activated sludge systemThe reactor was inoculated with seed sludge containing few filaments and fed with synthetic municipalThe settling time of the sludge and the average dissolved oxygen (DO) of the reactor were 2 h and 4.2The reactor was agitated by a stirrer, with a speed of 250 r·min , to ensure good mixing．The granular sludgehad good settleability, and the sludge volume index (SVI) was between 50 and 90 mL·g .

Keywords： aerobic granular sludge     completely mixed activated sludge system (CMAS)     continuous flow     shear force     filamentous    

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Control of sludge settleability and nitrogen removal under low dissolved oxygen condition

Zhaoxu PENG, Yongzhen PENG, Zhenbo YU, Xuliang LIU, Xiaoling LI, Randeng WANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 884-891 doi: 10.1007/s11783-012-0408-9

Abstract: Low dissolved oxygen (DO) is an energy-saving condition in activated sludge process.and setting pre-anoxic (anaerobic) phase were effective strategies to induce and inhibit filamentous sludgeAccording to the sludge settleability, LFB could be maintained steadily by adjusting operation patternsFilamentous bacteria content and sludge volume index (SVI) were likely correlated.settleability in spite of the unstable status of activated sludge system.

Keywords： limited filamentous bulking     sequencing batch reactor     sludge settleability     sludge volume index     simultaneous    

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Title Author Date Type Operation

Enhanced dewatering characteristics of waste activated sludge with Fenton pretreatment: effectiveness

Guangyin ZHEN, Xueqin LU, Baoying WANG, Youcai ZHAO, Xiaoli CHAI, Dongjie NIU, Tiantao ZHAO

Journal Article

Fate of proteins of waste activated sludge during thermal alkali pretreatment in terms of sludge protein

Xiaoli Song, Zhenghua Shi, Xiufen Li, Xinhua Wang, Yueping Ren

Journal Article

Distribution and removal of antibiotic resistance genes during anaerobic sludge digestion with alkaline

Mengli Wang, Ruying Li, Qing Zhao

Journal Article

Aerobic granular sludge formation based on substrate availability: Effects of flow pattern and fermentationpretreatment

Quan Yuan, Hui Gong, Hao Xi, Kaijun Wang

Journal Article

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

Milan Malhotra, Anurag Garg

Journal Article

Biological pretreatment of corn stover by solid state fermentation of

Jian ZHANG, Xin REN, Wenqun CHEN, Jie BAO

Journal Article

Pretreatment method of lignocellulosic materials for bioethanol production

Jin Shengying and Zhang Li’an

Journal Article

production in microbial electrolysis through strategies of carbon recovery from alkaline/thermal treated sludge

Ling Wang, Chunxue Yang, Sangeetha Thangavel, Zechong Guo, Chuan Chen, Aijie Wang, Wenzong Liu

Journal Article

Thermochemical pretreatment of meat and bone meal and its effect on methane production

Guangxue WU , Zhenhu HU , Mark G. HEALY , Xinmin ZHAN ,

Journal Article

Comparison between inhibitor and uncoupler for minimizing excess sludge production of an activated sludge

CHEN Guowei, XI Pengge, XU Deqian, YU Hanqing

Journal Article

Co-pyrolysis of sludge and kaolin/zeolite in a rotary kiln: Analysis of stabilizing heavy metals

Journal Article

Optimization of microwave pretreatment of lignocellulosic waste for enhancing methane production: Hyacinth

Bai-Hang Zhao, Jie Chen, Han-Qing Yu, Zhen-Hu Hu, Zheng-Bo Yue, Jun Li

Journal Article

Effect of thermal pretreatment on the surface structure of PtSn/SiO

Guozhen Xu, Jian Zhang, Shengping Wang, Yujun Zhao, Xinbin Ma

Journal Article

Cultivation of aerobic granular sludge in a conventional, continuous flow, completely mixed activatedsludge system

Xi CHEN,Linjiang YUAN,Wenjuan LU,Yuyou LI,Pei LIU,Kun NIE

Journal Article

Control of sludge settleability and nitrogen removal under low dissolved oxygen condition

Zhaoxu PENG, Yongzhen PENG, Zhenbo YU, Xuliang LIU, Xiaoling LI, Randeng WANG

Journal Article