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Effects of shear force on formation and properties of anoxic granular sludge in SBR

Xinyan ZHANG, Binbin WANG, Qingqing HAN, Hongmei ZHAO, Dangcong PENG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 896-905 doi: 10.1007/s11783-013-0539-7

Abstract: This paper reports the effects of shear force on anoxic granular sludge in sequencing batch reactorsthe effects of shear force on the formation of anoxic granular sludge and to compare the propertiesof anoxic sludge in the SBR.smaller diameters, high density and good settling ability were formed in the reactor, and 2) granular sludgegranular sludge in low shear force was higher than that in high shear force, 2) higher amount of soluble

Keywords： denitrification     anoxic granular sludge     sequencing batch reactors (SBR)     shear force    

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Structure and formation of anoxic granular sludge —A string-bag hypothesis

Binbin WANG,Dangcong PENG,Xinyan ZHANG,Xiaochang WANG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 311-318 doi: 10.1007/s11783-014-0748-8

Abstract: Anoxic granular sludge was developed in a laboratory-scale sequencing batch reactor which was fed withThe sludge in the reactor was almost granulated after approximately 90 days of cultivation.sludge was conducted using scanning electron microscope.A string-bag hypothesis was proposed to elucidate the structure and formation of the anoxic granularsludge.

Keywords： granulation     sequencing batch reactor     anoxic sludge     scanning electron microscope     filamentous bacteria    

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Biological removal of selenate in saline wastewater by activated sludge under alternating anoxic/oxic

Yuanyuan Zhang, Masashi Kuroda, Shunsuke Arai, Fumitaka Kato, Daisuke Inoue, Michihiko Ike

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1154-z

Abstract: Removal of selenate in saline wastewater by activated sludge was examined.Sequencing batch reactor was operated under alternating anoxic/oxic conditions.In this study, a sequencing batch reactor (SBR) inoculated with activated sludge was applied to treatThen, the treatment of 1 mM Se with cycle duration of 3 days was carried out under alternating anoxic

Keywords： Activated sludge     Selenate reduction     Saline wastewater     Sequencing batch reactor     Alternating anoxic/oxic    

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Tank-dependence of the functionality and network differentiation of activated sludge community in a full-scaleanaerobic/anoxic/aerobic municipal sewage treatment plant

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1636-x

Abstract:

● Environmental parameters affected functional bacteria and network associations.

Keywords： Activated sludge     Bacterial community     Tank-dependence     Network association     Functional bacteria    

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Promotive effect of pyridine on indole degradation by activated sludge under anoxic conditions

LI Yongmei, GU Guowei, LI Wenshu

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 493-497 doi: 10.1007/s11783-007-0079-0

Abstract: The seed sludge was obtained from a local coal-coking wastewater treatment facility and was acc

Keywords： wastewater treatment     coal-coking wastewater     promotive     degradation    

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Effect of short-term atrazine addition on the performance of an anaerobic/anoxic/oxic process

Changyong WU, Xiaoling LI, Zhiqiang CHEN, Yongzhen PENG,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 2,   Pages 150-156 doi: 10.1007/s11783-010-0020-9

Abstract: In this study, an anaerobic/anoxic/oxic (AO) wastewater treatment process was implemented to treat domesticAtrazine was not removed with the AO process, even via absorption by the activated sludge in the process

Keywords： biological nutrient removal     atrazine     anaerobic/anoxic/oxic (A2O) process     oxygen demand removal     oxygen    

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Scaling up a novel denitrifying microbial fuel cell with an oxic-anoxic two stage biocathode

Peng LIANG, Jincheng WEI, Ming LI, Xia HUANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 913-919 doi: 10.1007/s11783-013-0583-3

Abstract: A scaled up microbial fuel cell (MFC) of a 50 L volume was set up with an oxic-anoxic two-stage biocathode

Keywords： microbial fuel cell (MFC)     oxic-anoxic two stage biocathode     denitrifying    

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Anoxic phosphorus removal in a pilot scale anaerobic-anoxic oxidation ditch process

Hongxun HOU, Shuying WANG, Yongzhen PENG, Zhiguo YUAN, Fangfang YIN, Wang GAN

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 1,   Pages 106-111 doi: 10.1007/s11783-009-0005-8

Abstract: The anaerobic-anoxic oxidation ditch (A /O OD) process is popularly used to eliminate nutrients frombatch tests using sequence batch reactors (12 L and 4 L) were operated to reveal the significance of anoxicPhosphorus uptake took place in the anoxic zone by poly-phosphorus accumulating organisms could be

Keywords： wastewater treatment     anaerobic-anoxic (A2/O)     oxidation ditch (OD)     biological phosphorus removal    

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Feedforward control for nitrogen removal in a pilot-scale anaerobic-anoxic-oxic plant for municipal wastewater

Tonggang SHEN, Hanchang SHI, Huiming SHI, He JING, Huilei XIONG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 130-139 doi: 10.1007/s11783-010-0266-2

Abstract: lower energy consumption, the study of feedforward control was carried out on a pilot-scale anaerobic-anoxic-oxicThe results indicated that the change of external recycle was not a suitable approach to regulate the sludgeinfluent fluctuation; and the denitrification potential could be estimated based on the transit time of anoxiczone and the relative content of carbon resource entering the anoxic zone.

Keywords： anaerobic-anoxic-oxic (AAO)     feedforward control     municipal wastewater     nitrogen removal    

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Occurrence and behavior of pharmaceuticals in sewage treatment plants in eastern China

Juan DU,Yu FAN,Xin QIAN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 725-730 doi: 10.1007/s11783-014-0661-1

Abstract: diclofenac and carbamazepine) were determined in three sewage treatment plants (STPs) with anaerobic/anoxic/oxic, anoxic/oxic and oxidation ditches processes in Xuzhou City, Eastern China.efficiency comparison of the three sewage treatment processes showed that the STP which employed anaerobic/anoxic/oxic was more effective to remove pharmaceuticals than the oxidation ditches and anoxic/oxic.

Keywords： pharmaceutical     anaerobic/anoxic/oxic     oxidation ditch     anoxic/oxic     removal efficiency    

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Process evaluation of an alternating aerobic-anoxic process applied in a sequencing batch reactor for

ZENG Wei, PENG Yongzhen, WANG Shuying

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 28-32 doi: 10.1007/s11783-007-0005-5

Abstract: the nitrogen removal efficiency and save operational cost, the feasibility of the alternating aerobic-anoxiccycle on treatment efficiency because microorganisms had an adaptive stage at the alternating aerobic-anoxicalkalinity previously consumed during the aerobic nitrification was recovered during the subsequent anoxic

Keywords： bicarbonate alkalinity     sufficient influent     influent alkalinity     detection     alkalinity production    

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Coupled aerobic and anoxic biodegradation for quinoline and nitrogen removals

Ning YAN,Lu WANG,Ling CHANG,Cuiyi ZHANG,Yang ZHOU,Yongming ZHANG,Bruce E. RITTMANN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 738-744 doi: 10.1007/s11783-014-0666-9

Abstract: In a proof-of-concept step, activated sludge was sequenced from aerobic to anoxic stages.Anoxic biodegradation of the aerobic effluent then brought about nitrogen and COD removals through denitrificationremoval were demonstrated in a novel airlift internal loop biofilm reactor (AILBR) having aerobic and anoxic

Keywords： Quinoline     biofilm     reactor     biodegradation     denitrification    

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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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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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Title Author Date Type Operation

Effects of shear force on formation and properties of anoxic granular sludge in SBR

Xinyan ZHANG, Binbin WANG, Qingqing HAN, Hongmei ZHAO, Dangcong PENG

Journal Article

Structure and formation of anoxic granular sludge —A string-bag hypothesis

Binbin WANG,Dangcong PENG,Xinyan ZHANG,Xiaochang WANG

Journal Article

Biological removal of selenate in saline wastewater by activated sludge under alternating anoxic/oxic

Yuanyuan Zhang, Masashi Kuroda, Shunsuke Arai, Fumitaka Kato, Daisuke Inoue, Michihiko Ike

Journal Article

Tank-dependence of the functionality and network differentiation of activated sludge community in a full-scaleanaerobic/anoxic/aerobic municipal sewage treatment plant

Journal Article

Promotive effect of pyridine on indole degradation by activated sludge under anoxic conditions

LI Yongmei, GU Guowei, LI Wenshu

Journal Article

Effect of short-term atrazine addition on the performance of an anaerobic/anoxic/oxic process

Changyong WU, Xiaoling LI, Zhiqiang CHEN, Yongzhen PENG,

Journal Article

Scaling up a novel denitrifying microbial fuel cell with an oxic-anoxic two stage biocathode

Peng LIANG, Jincheng WEI, Ming LI, Xia HUANG

Journal Article

Anoxic phosphorus removal in a pilot scale anaerobic-anoxic oxidation ditch process

Hongxun HOU, Shuying WANG, Yongzhen PENG, Zhiguo YUAN, Fangfang YIN, Wang GAN

Journal Article

Feedforward control for nitrogen removal in a pilot-scale anaerobic-anoxic-oxic plant for municipal wastewater

Tonggang SHEN, Hanchang SHI, Huiming SHI, He JING, Huilei XIONG

Journal Article

Occurrence and behavior of pharmaceuticals in sewage treatment plants in eastern China

Juan DU,Yu FAN,Xin QIAN

Journal Article

Process evaluation of an alternating aerobic-anoxic process applied in a sequencing batch reactor for

ZENG Wei, PENG Yongzhen, WANG Shuying

Journal Article

Coupled aerobic and anoxic biodegradation for quinoline and nitrogen removals

Ning YAN,Lu WANG,Ling CHANG,Cuiyi ZHANG,Yang ZHOU,Yongming ZHANG,Bruce E. RITTMANN

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

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