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Overlooked nitrogen-cycling microorganisms in biological wastewater treatment

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1426-2

Abstract:

• AOA and comammox bacteria can be more abundant and active than AOB/NOB at WWTPs.

Keywords： Ammonia oxidizing archaea (AOA)     Complete ammonia oxidizing (comammox) bacteria     Dissimilatory nitratereduction to ammonium (DNRA) bacteria     Nitrate/nitrite-dependent anaerobic methane oxidizing (NO   

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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 results indicated that in addition to oxygen and nitrate (DPB, nitrate denitrifying phosphorus removal), to some extent, nitrite could also serve as an electron acceptor to achieve nitrite denitrifying phosphorusphosphorus removal, but it could reduce the consumption of nitrate.Moreover, the data showed that the aerobic phosphate uptake of DPB was lower than that of anaerobic phosphorus-released

Keywords： effluent     PAOs     experiment     phosphate-accumulating     phosphorus removal    

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of activated sludge aggregates using microelectrodes in completely autotrophic nitrogen removal over nitrite

Yongtao LV,Xuan CHEN,Lei WANG,Kai JU,Xiaoqiang CHEN,Rui MIAO,Xudong WANG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 390-398 doi: 10.1007/s11783-015-0818-6

Abstract: a laboratory-scale sequencing batch reactor (SBR) for completely autotrophic nitrogen removal over nitriteThe FISH analysis revealed that aerobic ammonium-oxidizing bacteria (AerAOB) and anaerobic ammonium-oxidizingIn the outer layer of sludge aggregates (0–700 μm), nitrite-oxidizing bacteria (NOB) showed high activitywith 4.1 μmol·cm ·h of maximum nitrate production rate under the condition of DO concentration higher

Keywords： microelectrodes     CANON     aerobic ammonium-oxidizing bacteria     anaerobic ammonium-oxidizing bacteria     nitrite-oxidizing    

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Catalytic reduction for water treatment

Maocong Hu, Yin Liu, Zhenhua Yao, Liping Ma, Xianqin Wang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-017-0972-0

Abstract: contaminants in water, which covers hydrodehalogenation for wastewater treatment and hydrogenation of nitrate/nitrite for groundwater remediation.For hydrogenation, hydrogenation of nitrate/nitrite contaminants in water is mainly focused.Several important nitrate reduction catalysts are discussed relating to their preparation method and

Keywords： Halogenated compounds     Nitrate/nitrite contaminants     Hydrodechloriantion     Hydrogenation     Wastewater treatment    

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Performance of an ANAMMOX reactor treating wastewater generated by antibiotic and starch production processes

Hong YAO, Hao LIU, Yongmiao HE, Shujun ZHANG, Peizhe SUN, Chinghua HUANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 875-883 doi: 10.1007/s11783-012-0459-y

Abstract: A pilot-scale anaerobic ammonia oxidation (ANAMMOX) reactor was used to treat mixed wastewater resultingThe results, collected over the course of 272 days, show that the ratio of influent ammonium to nitriteThe ratio of influent ammonium to nitrite was maintained at about 1:1 at a concentration below 200 mg·L for both influent ammonium and nitrite., nitrite and TN concentrations were below 50, 30, and 100 mg·L .

Keywords： anaerobic ammonia oxidation     antibiotic and starch production     ratio of ammonia to nitrite     total nitrogen    

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Recent advances and challenges of nitrogen/nitrate electro catalytic reduction to ammonia synthesis

Frontiers in Energy doi: 10.1007/s11708-023-0908-2

Abstract: ammonia is a green and mild new method for preparing ammonia, which can directly convert nitrogen or nitrateHerein, the basic mechanism of the nitrogen reduction reaction (NRR) to ammonia and nitrate reduction

Keywords： electrochemical ammonia synthesis     nitrogen     nitrate     nitrogen reduction reaction (NRR) to ammonia     nitrate    

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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.

Advanced N and P removal was optimized to treat real domestic wastewater.

Nitrifiers and PAOs were enriched with 19.41% and 26.48%, respectively.

Acetate was demonstrated as the high-quality carbon source type.

Keywords： Denitrifying phosphorus removal     C/N ratio     Nitrate recycling     Carbon source type     Biological nutrient removal    

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Effect of alkyl nitrite decomposition on catalytic performance of CO coupling reaction over supported

Zhenhua LI, Weihan WANG, Dongxue YIN, Jing LV, Xinbin MA

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 410-414 doi: 10.1007/s11705-012-1213-5

Abstract: for synthesizing DMO and DEO were 403 K and 393 K, respectively, at the molar ratio 1 ∶ 1 of alkyl nitritesynthesizing DMO and DEO on the same catalyst was attributed to the decomposition performances of methyl nitrite(MN) and ethyl nitrite (EN), as density functional theory (DFT) calculation showed that EN decomposed

Keywords： palladium     CO coupling     dialkyl oxalate     alkyl nitrite     decomposition    

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Denitrification and phosphorus uptake by DPAOs using nitrite as an electron acceptor by step-feed strategies

Bin MA, Shuying WANG, Guibing ZHU, Shijian GE, Junmin WANG, Nanqi Ren, Yongzhen PENG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 2,   Pages 267-272 doi: 10.1007/s11783-012-0439-2

Abstract: However, nitrite has been reported to have an inhibition on denitrifying phosphorus removal.or relieve nitrite inhibition.nitrite.These rates were higher than that using nitrate (15 mg·L ) as an electron acceptor.When the nitrite concentration increased from 15 to 20 mg after addition of nitrite, the anoxic phosphorus

Keywords： denitrifying phosphate accumulating organisms (DPAOs)     denitrification     phosphorus uptake     nitrite     step-feed    

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method for efficient control of hydrogen sulfide and methane in gravity sewers: Combination of NaOH and Nitrite

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-021-1509-0

Abstract:

• The combination of NaOH and nitrite was used to control harmful gas

Keywords： Sewer corrosion     Sulfide control     Combination treatment     NaOH     Nitrite    

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A simple, azulene-based colorimetric probe for the detection of nitrite in water

Lloyd C. Murfin, Carlos M. López-Alled, Adam C. Sedgwick, Jannis Wenk, Tony D. James, Simon E. Lewis

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 1,   Pages 90-96 doi: 10.1007/s11705-019-1790-7

Abstract: We describe the synthesis and evaluation of an azulene-based chemodosimeter for nitrite.The probe was found to undergo two distinct color changes upon introduction aqueous nitrite ion.A near-instant formation of a grey color provides a qualitative indication of the presence of nitriteThe azulene probe exhibits 1:1 stoichiometry of reaction with nitrite in water, and is selective fornitrite over other anions.

Keywords： azulene     nitrite     diazoquinone    

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Research on Expansion Theory of Ammonium Nitrate

Lü Chunxu

Strategic Study of CAE 2001, Volume 3, Issue 9,   Pages 58-63

Abstract:

In this paper, expansion process of AN is described, its physical chemical parameters are calculated and determined, the influeucing factors of AN expansion process are studied and a possible mechanism of expansion process is also given.

Keywords： expanded ammonium nitrate     expansion theory     physical chemical parameter     influencing factor    

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Data-driven approach to solve vertical drain under time-dependent loading

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 696-711 doi: 10.1007/s11709-021-0727-7

Abstract: , the vertical drain consolidation problem is solved by numerous analytical solutions, such as time-dependentDNN–GA prediction models with three different radial drainage patterns in the smear zone under time-dependent

Keywords： vertical drain     artificial neural network     time-dependent loading     deep learning network     genetic algorithm    

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Scrap Iron Filings assisted nitrate and phosphate removal in low C/N waters using mixed microbial culture

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1358-2

Abstract:

• Microbes enhance denitrification under varying DO concentrations and SIF dosages.

Keywords： Scrap iron filing     Nitrate removal     Phosphate removal     Mixed culture denitrification     Zero valent iron    

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Large-scale synthesis of isolated Mn2O3 nanotube/fiber with ferric nitrate as catalyst

ZHANG Aifei, LIU Jiping, L? Guangshu

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 1,   Pages 55-58 doi: 10.1007/s11705-007-0011-y

Abstract: selectively synthesized by controlling the contents and proportions of potassium permanganate and ferric nitrateFerric nitrate was an ideal catalyst for the preparation of O nanotube/fiber.When cobalt nitrate or nickel nitrate was used as catalyst, only amorphous nano-O was synthesized.

Keywords： different     nickel     exterior diameter     nanotube     XRD    

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Title Author Date Type Operation

Overlooked nitrogen-cycling microorganisms in biological wastewater treatment

Journal Article

Effects of nitrite on phosphate uptake in anaerobic-oxic process

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

Journal Article

of activated sludge aggregates using microelectrodes in completely autotrophic nitrogen removal over nitrite

Yongtao LV,Xuan CHEN,Lei WANG,Kai JU,Xiaoqiang CHEN,Rui MIAO,Xudong WANG

Journal Article

Catalytic reduction for water treatment

Maocong Hu, Yin Liu, Zhenhua Yao, Liping Ma, Xianqin Wang

Journal Article

Performance of an ANAMMOX reactor treating wastewater generated by antibiotic and starch production processes

Hong YAO, Hao LIU, Yongmiao HE, Shujun ZHANG, Peizhe SUN, Chinghua HUANG

Journal Article

Recent advances and challenges of nitrogen/nitrate electro catalytic reduction to ammonia synthesis

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

Effect of alkyl nitrite decomposition on catalytic performance of CO coupling reaction over supported

Zhenhua LI, Weihan WANG, Dongxue YIN, Jing LV, Xinbin MA

Journal Article

Denitrification and phosphorus uptake by DPAOs using nitrite as an electron acceptor by step-feed strategies

Bin MA, Shuying WANG, Guibing ZHU, Shijian GE, Junmin WANG, Nanqi Ren, Yongzhen PENG

Journal Article

method for efficient control of hydrogen sulfide and methane in gravity sewers: Combination of NaOH and Nitrite

Journal Article

A simple, azulene-based colorimetric probe for the detection of nitrite in water

Lloyd C. Murfin, Carlos M. López-Alled, Adam C. Sedgwick, Jannis Wenk, Tony D. James, Simon E. Lewis

Journal Article

Research on Expansion Theory of Ammonium Nitrate

Lü Chunxu

Journal Article

Data-driven approach to solve vertical drain under time-dependent loading

Journal Article

Scrap Iron Filings assisted nitrate and phosphate removal in low C/N waters using mixed microbial culture

Journal Article

Large-scale synthesis of isolated Mn2O3 nanotube/fiber with ferric nitrate as catalyst

ZHANG Aifei, LIU Jiping, L? Guangshu

Journal Article