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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 domesticaddition in 3 continuous days was treated when steady biological nutrient removal was achieved in the AO processThe concentrations of atrazine were 15, 10, and 5mg·L on days 1, 2 and 3, respectively.Atrazine 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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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: removal with lower energy consumption, the study of feedforward control was carried out on a pilot-scale anaerobic-anoxic-oxicinfluent 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: ibuprofen, 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.The 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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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 fromOD process, a pilot-scale A /O OD plant (375 L) was conducted.batch tests using sequence batch reactors (12 L and 4 L) were operated to reveal the significance of anoxicand TN were 88.2%, 92.6%, 87.8%, and 73.1%, respectively, when the steady state of the pilot-scale A /OPhosphorus 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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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 biocathodeadjusting the two external resistances, the denitrification in the A-MFC and power production in the O-MFC

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

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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: Sequencing batch reactor was operated under alternating anoxic/oxic conditions.Then, the treatment of 1 mM Se with cycle duration of 3 days was carried out under alternating anoxic/oxic conditions by adding aeration period after oxygen-limiting period.

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

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Mechanism on minimization of excess sludge in oxic-settling-anaerobic (OSA) process

WANG Jianfang, ZHAO Qingliang, JIN Wenbiao, LIN Jikan

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1,   Pages 36-43 doi: 10.1007/s11783-008-0001-4

Abstract: The oxic-settling-anaerobic (OSA) process is a promising wastewater treatment technique for efficientlyoxidation with low sludge production were discussed in the OSA process.Soluble chemical oxygen demand (SCOD) released from the anaerobic sludge tank in the OSA process wasThe substrate was used for anoxic denitrifying, anaerobic phosphorus release, sulfate reduction, andThese anaerobic reactions in the sludge anaerobic tank have lower sludge production than in the aerobic
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Practical consideration for design and optimization of the step feed process

Shijian GE, Yongzhen PENG, Congcong LU, Shuying WANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 1,   Pages 135-142 doi: 10.1007/s11783-012-0454-3

Abstract: Based on the anoxic/oxic (A/O) step feed process, a modified University of Cape Town (UCT) step feedprocess was developed by adding an anaerobic zone and adjusting sludge return pipeline.of these two types of processes was investigated by optimizing operational parameters, such as the anaerobic/anoxic/oxic volumes, internal recycle ratios, and sludge retention times, for removal of chemical oxygenAs much as 35.3% of TN was eliminated through simultaneous nitrification and denitrification process

Keywords： step feed     anoxic/oxic (A/O)     University of Cape Town (UCT)     simultaneous nitrification and denitrification    

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Planetary Homeostasis of Reactive Nitrogen Through Anaerobic Ammonium Oxidation

Guibing Zhu,Bangrui Lan,Shuci Liu,Cameron M. Callbeck,Shanyun Wang,Liping Jiang,Asheesh Kumar Yadav,Jan Vymazal,Mike S. M. Jetten,Ganlin Zhang,Yongguan Zhu,

Engineering doi: 10.1016/j.eng.2023.09.013

Abstract: severe nitrogen pollution and the production of significant amounts of greenhouse gas nitrous oxide (N2OThe anaerobic ammonium oxidation (anammox) mechanism can counteract the release of ammonium and N2O inAnammox hotspots are present at diverse oxic–anoxic interfaces in terrestrial systems, and they are mostprevalent at the oxic–anoxic transition zone in aquatic ecosystems.N2O by-product, we then designed an innovative concept and technical routes of nature-based anammox

Keywords： biogeochemical N-cycle     oxic–anoxic interface     nature-based solution     biogeoengineering     nitrogen sustainable    

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Effects of nitrite on phosphate uptake in anaerobic-oxic process

LI Jie, XIONG Biyong, ZHANG Shude, YANG Hong, ZHANG Jie

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 39-42 doi: 10.1007/s11783-007-0007-3

Abstract: An anaerobic-oxic (A/O) biological phosphorus removal reactor was operated to study the effect of nitriteThe nitrite existing in the anoxic reactor made no difference to the quantity and rate of denitrifyingMoreover, the data showed that the aerobic phosphate uptake of DPB was lower than that of anaerobic phosphorus-releasedsludge in a traditional A/O process.

Keywords： effluent     PAOs     experiment     phosphate-accumulating     phosphorus removal    

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Tank-dependence of the functionality and network differentiation of activated sludge community in a full-scale anaerobic/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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Optimization of denitrifying phosphorus removal in a pre-denitrification anaerobic/anoxic/post-aeration

Weihua Zhao, Meixiang Wang, Jianwei Li, Yu Huang, Baikun Li, Cong Pan, Xiyao Li, Yongzhen Peng

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 5, doi: 10.1007/s11783-018-1084-1

Abstract:

A novel two sludge pre-A2NSBR system was developed.

Keywords： phosphorus removal     C/N ratio     Nitrate recycling     Carbon source type     Biological nutrient removal     Pre-A2<    

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Optimization of the O/HO process with response surface methodology for pretreatment of mother liquor

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1371-5

Abstract:

• Real ML-GFW with high salinity and high organics was degraded by O3/H2O2 process.

Keywords： High salinity     High organic matters     Gas field wastewater     O3/H2O2    

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Corrigendum to: Optimization of denitrifying phosphorus removal in a predenitrification anaerobic/anoxic

Weihua Zhao, Meixiang Wang, Jianwei Li, Yu Huang, Baikun Li, Cong Pan, Xiyao Li, Yongzhen Peng

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1233-1

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Enhanced 4-chlorophenol biodegradation by integrating FeO nanoparticles into an anaerobic reactor: Long-term

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1519-6

Abstract:

• 4-chlorophenol biodegradation could be enhanced in Fe2O3 coupled anaerobic system.

Keywords： Dechlorination     Fe2O3 nanoparticles     Electron transfer     Microbial community    

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Title Author Date Type Operation

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

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

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

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

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

Mechanism on minimization of excess sludge in oxic-settling-anaerobic (OSA) process

WANG Jianfang, ZHAO Qingliang, JIN Wenbiao, LIN Jikan

Journal Article

Practical consideration for design and optimization of the step feed process

Shijian GE, Yongzhen PENG, Congcong LU, Shuying WANG

Journal Article

Planetary Homeostasis of Reactive Nitrogen Through Anaerobic Ammonium Oxidation

Guibing Zhu,Bangrui Lan,Shuci Liu,Cameron M. Callbeck,Shanyun Wang,Liping Jiang,Asheesh Kumar Yadav,Jan Vymazal,Mike S. M. Jetten,Ganlin Zhang,Yongguan Zhu,

Journal Article

Effects of nitrite on phosphate uptake in anaerobic-oxic process

LI Jie, XIONG Biyong, ZHANG Shude, YANG Hong, ZHANG Jie

Journal Article

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

Journal Article

Optimization of denitrifying phosphorus removal in a pre-denitrification anaerobic/anoxic/post-aeration

Weihua Zhao, Meixiang Wang, Jianwei Li, Yu Huang, Baikun Li, Cong Pan, Xiyao Li, Yongzhen Peng

Journal Article

Optimization of the O/HO process with response surface methodology for pretreatment of mother liquor

Journal Article

Corrigendum to: Optimization of denitrifying phosphorus removal in a predenitrification anaerobic/anoxic

Weihua Zhao, Meixiang Wang, Jianwei Li, Yu Huang, Baikun Li, Cong Pan, Xiyao Li, Yongzhen Peng

Journal Article

Enhanced 4-chlorophenol biodegradation by integrating FeO nanoparticles into an anaerobic reactor: Long-term

Journal Article