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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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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 domesticThe concentrations of atrazine were 15, 10, and 5mg·L on days 1, 2 and 3, respectively.

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

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The Performances of Aerobic and Anaerobic Phosphorus Uptak e and theCharacters of Microorganism in MB（A2/O）Craft

Wu Jian,Wang Shihe

Strategic Study of CAE 2007, Volume 9, Issue 11,   Pages 191-195

Abstract:

Combining membrane bioreactor and A2/O crafts, MB(A2/O) craft is developed to promote the technology with high efficiency for phosphorus and nitrogenThis report studies the performances of aerobic and anaerobic phosphorus uptake and the characters ofmicroorganism of municipal sewage treated by MB(A2/O) craft, and analyzes its mechanism asThe average velocity of anaerobic phosphorus uptake is 1. 56 mgP·gMLSS-1·h

Keywords： aerobic phosphorus uptake     denitrifying phosphorus removal     phosphate accumulating organisms(PAOs)     electron acceptor    

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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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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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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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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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Effect of the addition of organic carbon sources on nitrous oxide emission in anaerobic-aerobic (low

Hongjing LI, Xiurong CHEN, Yinguang CHEN

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 4,   Pages 490-499 doi: 10.1007/s11783-010-0248-4

Abstract: The effect of additional organic carbon sources on the production of nitrous oxide (N O) in anaerobic-aerobicIn this paper, three laboratory-scale sequencing batch reactors (SBRs) (SBR-1, SBR-2 and SBR-3) wereoperating under an anaerobic-aerobic (low dissolved oxygen, 0.15–0.45 mg·L ) configuration.) period in the three SBRs, and the order of N O emission rate was SBR-2>SBR-1>SBR-3.in the anaerobic-aerobic (low dissolved oxygen) system.

Keywords： anaerobic-aerobic (low dissolved oxygen)     nitrous oxide (N2O) emitting rate     municipal wastewater    

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Advanced nitrogen and phosphorus removal in A

Jianhua WANG, Yongzhen PENG, Yongzhi CHEN

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 474-480 doi: 10.1007/s11783-011-0360-0

Abstract: A laboratory-scale anaerobic-anoxic-aerobic process (A O) with a small aerobic zone and a bigger anoxiczone and biologic aerated filter (A O-BAF) system was operated to treat low carbon-to-nitrogen ratioThe A O process was employed mainly for organic matter and phosphorus removal, and for denitrificationThe average sludge volume index (SVI) was 85.4 mL·g additionally, the volume ratio of anaerobic, anoxicvalue was 1∶6∶2.

Keywords： Anoxic zone and biologic aerated filter (A2O-BAF) system     domestic wastewater with low carbon-to-nitrogen    

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Effect of different carbon sources on performance of an A

Dongliang Du, Chuanyi Zhang, Kuixia Zhao, Guangrong Sun, Siqi Zou, Limei Yuan, Shilong He

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 2, doi: 10.1007/s11783-017-0981-z

Abstract: Process analysis found that the amount of anaerobic phosphorus release would be the key factor to determine

Keywords： Denitrifying phosphorus removal     Alternate anaerobic/anoxic-aerobic MBR (A2N-MBR)     Carbon source    

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Rh2O3/hexagonal CePO4 nanocatalysts for N2O decomposition

Huan Liu, Zhen Ma

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4,   Pages 586-593 doi: 10.1007/s11705-017-1659-6

Abstract: Rh(NO ) was then used as a precursor for the impregnation of Rh O onto these CePO materials.The Rh O supported on the CePO nanowires was much more active for the catalytic decomposition of NO than the Rh O supported on CePO nanorods.of both catalysts as a function of time on stream was studied and the influence of the co-feed (CO , O, H O or O /H O) on the N O decomposition was also investigated.

Keywords： Rh2O3     CePO4     N2O decomposition    

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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 oxygen

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

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The stabilization effect of Al2O3 on unconventional Pb/SiO2 catalyst

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1423-1429 doi: 10.1007/s11705-023-2315-y

Abstract: To enhance the stability, the traditional carrier Al2O3 with a small amount, wasintroduced into Pb/SiO2 catalyst in this study.It has been proved that Al2O3 can inhibit the reduction of PbO, and weaken theAs a result, 3Al15Pb/SiO2 catalyst exhibits a much higher stability up to more than 150 h./sub>O3 addition was also proposed.

Keywords： Pb/SiO2     Al2O3     propane dehydrogenation     propene     stability    

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Title Author Date Type Operation

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

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

The Performances of Aerobic and Anaerobic Phosphorus Uptak e and theCharacters of Microorganism in MB（A2/O）Craft

Wu Jian,Wang Shihe

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

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

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

Juan DU,Yu FAN,Xin QIAN

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

Effect of the addition of organic carbon sources on nitrous oxide emission in anaerobic-aerobic (low

Hongjing LI, Xiurong CHEN, Yinguang CHEN

Journal Article

Advanced nitrogen and phosphorus removal in A

Jianhua WANG, Yongzhen PENG, Yongzhi CHEN

Journal Article

Effect of different carbon sources on performance of an A

Dongliang Du, Chuanyi Zhang, Kuixia Zhao, Guangrong Sun, Siqi Zou, Limei Yuan, Shilong He

Journal Article

Rh2O3/hexagonal CePO4 nanocatalysts for N2O decomposition

Huan Liu, Zhen Ma

Journal Article

Practical consideration for design and optimization of the step feed process

Shijian GE, Yongzhen PENG, Congcong LU, Shuying WANG

Journal Article

The stabilization effect of Al2O3 on unconventional Pb/SiO2 catalyst

Journal Article