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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 (A<sup>2sup>/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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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 (A<sup>2sup>O-BAF) system     domestic wastewater with low carbon-to-nitrogen    

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Deciphering the effect of sodium dodecylbenzene sulfonate on up-flow anaerobic sludge blanket treatment

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1385-z

Abstract:

• UASB reactor can work efficiently with high COD/SO4<sup>2sup><sup>-sup> ratios when SDBS exists.

Keywords： Up-flow anaerobic sludge blanket     Organic sulfur     Sodium dodecylbenzene sulfonate     COD/SO4<sup>2sup><sup>−sup> ratio     Microbial community    

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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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Performance and mechanism of carbamazepine removal by FeS-SO process: experimental investigation and DFT calculations

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1713-1

Abstract: ListItem>

● Synergistic removal of carbamazepine (CBZ) was obtained in the FeS-S2O8<sup>2–sup> process.

Keywords： FeS     S2O8<sup>2–sup>     Carbamazepine     DFT calculations     Degradation routes    

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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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Effects of Al

Lanhe Zhang, Jing Zheng, Jingbo Guo, Xiaohui Guan, Suiyi Zhu, Yanping Jia, Jian Zhang, Xiaoyu Zhang, Haifeng Zhang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 6, doi: 10.1007/s11783-019-1169-5

Abstract: and the composition and structure of extracellular polymeric substances (EPS) were investigated under anaerobic, anoxic and oxic conditions.The flocculability of sludge in the anoxic zone was consistently higher than that in the anaerobic andHigher Al3+ concentrations (>30 mg/L) also inhibited the release of phosphorus in the anaerobic zone

Keywords： Extracellular polymeric substances     Activated sludge     Aluminum ion     A<sup>2sup>O     Wastewater    

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On the monolayer dispersion behavior of Co3O4 on HZSM-5 support: designing applicable

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1741-1754 doi: 10.1007/s11705-023-2332-x

Abstract: Based on monolayer dispersion theory, Co3O4/ZSM-5 catalysts with different loadingsthreshold of 0.061 mmol 100 m<sup>–2sup>, equaling to a weight percentage around 4.5%.It has been revealed that the quantities of surface active oxygen (O2<sup>–sup>) and acidcapacity, possesses the most abundant active O2<sup>–sup> species and acidic sites, therebycapacity amount of Co3O4 onto HZSM-5 support.

Keywords： Co3O4/ZSM-5     NOx-SCR by NH3     monolayer dispersionthreshold effect     surface acid sites     surface active O2<sup>–sup> anions    

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Engineering a Coordinatively Unsaturated Au–O–Ti<sup>3+sup> Structure Toward Unprecedented H2 Efficiency for Low-Temperature Propene Epoxidation with H2 and O2 Article

Zhaoning Song, Hao Yan, Juncong Yuan, Hongfei Ma, Jianlin Cao, Yongxiang Wang, Qiang Wang, Chong Peng, Feng Deng, Xiang Feng, De Chen, Chaohe Yang, Yongkang Hu

Engineering 2023, Volume 25, Issue 6,   Pages 144-156 doi: 10.1016/j.eng.2023.01.008

Abstract:

Since 1998, the Au–O–Ti<sup>4+sup> sites of Au/Ti-based catalysts have been widely acceptedas the active sites for propene epoxidation with H2 and O2 at a relatively highon conventional Au–O–Ti<sup>4+sup> sites.>3+sup> sites promote electron transfer between Au and Ti<sup>3+sup>, thereby enhancing the OO2 and the Ti–OOH intermediate, even at a low temperature.

Keywords： Propene epoxidation     H2 efficiency     Au/Ti bifunctional catalysts     Coordinatively unsaturated    

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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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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

Advanced nitrogen and phosphorus removal in A

Jianhua WANG, Yongzhen PENG, Yongzhi CHEN

Journal Article

Deciphering the effect of sodium dodecylbenzene sulfonate on up-flow anaerobic sludge blanket treatment

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

Performance and mechanism of carbamazepine removal by FeS-SO process: experimental investigation and DFT calculations

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

Effects of Al

Lanhe Zhang, Jing Zheng, Jingbo Guo, Xiaohui Guan, Suiyi Zhu, Yanping Jia, Jian Zhang, Xiaoyu Zhang, Haifeng Zhang

Journal Article

On the monolayer dispersion behavior of Co3O4 on HZSM-5 support: designing applicable

Journal Article

Engineering a Coordinatively Unsaturated Au–O–Ti<sup>3+sup> Structure Toward Unprecedented H2 Efficiency for Low-Temperature Propene Epoxidation with H2 and O2

Zhaoning Song, Hao Yan, Juncong Yuan, Hongfei Ma, Jianlin Cao, Yongxiang Wang, Qiang Wang, Chong Peng, Feng Deng, Xiang Feng, De Chen, Chaohe Yang, Yongkang Hu

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