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nitrite 2

nitrite-oxidizing bacteria 2

Al-alkyl co-catalyst 1

Ammonia oxidizing archaea (AOA) 1

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CO coupling 1

COD 1

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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: temperatures for synthesizing DMO and DEO were 403 K and 393 K, respectively, at the molar ratio 1 ∶ 1 of alkylnitrite to CO.synthesizing 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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Kinetics of UV curable alkyl 3-mercaptopropionate-vinyl silizane

SONG Jiale, CHEN Lixin, WANG Yazhou, CHEN Weiwei, WANG Rumin

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 4,   Pages 390-395 doi: 10.1007/s11705-008-0080-6

Abstract: The kinetics of alkyl 3-mercptopropionate-vinyl silizane under UV irradiation is investigated by using

Keywords： step-growth     irradiation     bimolecular     preceramic     concentration photoinitiator    

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Surface hydrophobicity: effect of alkyl chain length and network homogeneity

Wenqian Chen, Vikram Karde, Thomas N. H. Cheng, Siti S. Ramli, Jerry Y. Y. Heng

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1,   Pages 90-98 doi: 10.1007/s11705-020-2003-0

Abstract: diameter= 369€±€7 nm) as the model material, the current study investigates the relationship between the alkylTwo alkyl silanes with different chain length (triethoxymethylsilane (C1) vs. trimethoxy(octyl)silaneWater contact angle and inverse gas chromatography results show that the alkyl chain length is essential

Keywords： hydrophobicity     surface energy     wettability     alkyl chain network     silica nanoparticle    

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Lignin-based polymer with high phenolic hydroxyl group content prepared by the alkyl chain bridging method

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1075-1084 doi: 10.1007/s11705-022-2272-x

Abstract: of hole transport materials, phenolic hydroxyl groups were introduced in lignosulfonate (LS) via the alkylThe results indicate that the phenolic hydroxyl group of lignin can be easily boosted by the alkyl chain

Keywords： lignosulfonate     phenolic group     PEDOT:PLS     hole extract layer     energy level    

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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: Denitrifying phosphorus accumulating organisms (DPAOs) using nitrite as an electron acceptor can reduceHowever, nitrite has been reported to have an inhibition on denitrifying phosphorus removal.or relieve nitrite inhibition.nitrite.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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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 nitriteIn the outer layer of sludge aggregates (0–700 μm), nitrite-oxidizing bacteria (NOB) showed high activity

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

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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 nitritethat in addition to oxygen and nitrate (DPB, nitrate denitrifying phosphorus removal), to some extent, nitritecould also serve as an electron acceptor to achieve nitrite denitrifying phosphorus removal (DPB).uptake of DPB, however, were evidently lower than that of DPB The experiment results revealed that nitriteThe nitrite existing in the anoxic reactor made no difference to the quantity and rate of denitrifying

Keywords： effluent     PAOs     experiment     phosphate-accumulating     phosphorus removal    

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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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Experimental study of nitrite accumulation in pre-denitrification biological nitrogen removal process

WU Xuelei, CHEN Lunqiang, PENG Yongzhen, WANG Pu, WANG Yayi

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 2,   Pages 236-240 doi: 10.1007/s11783-008-0008-x

Abstract: the average nitrite accumulation rate at 91%., but nitrite accumulation rate was still as high as 90%.From the 38th day the nitrite accumulation rate decreased to 15%–30% linearly.Until the 83rd day the nitrite accumulation rate began to increase to 80%.bacteria when DO concentration was kept at 0.5 mg/L, nitrite accumulation occurred.
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Performance of completely autotrophic nitrogen removal over nitrite process under different aeration

GUO Jinsong, YANG Guohong, FANG Fang, QIN Yu

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4,   Pages 439-445 doi: 10.1007/s11783-008-0046-4

Abstract: were operated for 155 days to evaluate the performance of completely autotrophic nitrogen removal over nitrite

Keywords： Synthetic wastewater     process     Whereas     biofilm     detection    

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The impact of ultrasonic treatment on activity of ammonia-oxidizing bacteria and nitrite-oxidizing bacteria

Siqi Li, Min Zheng, Shuang Wu, Yu Xue, Yanchen Liu, Chengwen Wang, Xia Huang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 6, doi: 10.1007/s11783-019-1166-8

Abstract: . • Mechanical shearing is essential to inhibit nitrite oxidation.This study aims to reveal the effects of ultrasound on ammonia-oxidizing bacteria (AOB) and nitrite-oxidizingmechanical shearing could be a critical factor in achieving the nitritation with inhibitory effect on nitrite

Keywords： Ultrasonic treatment     Optimal control     Nitrifying bacteria     Mechanism analysis    

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Unveiling the interaction mechanisms of key functional microorganisms in the partial denitrification-anammox process induced by COD

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1703-3

Abstract:

● The availability of PD-anammox was investigated with higher NO3––N concentration.

Keywords： PD-anammox process     Nitrite accumulation     COD     Microbial interaction    

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Gas phase ethylene polymerization over SiO

Liuzhong LI, Aiyou HAO, Ruihua CHENG, Boping LIU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 89-95 doi: 10.1007/s11705-010-0558-x

Abstract: Although an important industrial catalyst for producing high density polyethylene, the SiO -supported organosilyl chromate UCC S-2 catalyst has not been fully investigated compared with the SiO -supported oxo chromium Phillips catalyst. In this work, gas phase ethylene polymerization by S-2 catalysts (Cat-1, Cat-2, and Cat-3) was carried out in a high-speed stirred-autoclave reactor. The effects of temperature, time, and pressure on kinetics, activity, and product properties were studied. All kinetics were typical built-up types with slow decay. Compared to the simple physical mixtures of Cat-1 and Cat-2, Cat-3 showed higher activity and its product had a broader molecular weight distribution, indicating new active species induced during blending of Cat-1 and Cat-2 in -hexane. The innovation by a simple catalyst technology created a new application to meet market demands.

Keywords： UCC S-2 catalyst     Al-alkyl co-catalyst     gas-phase ethylene polymerization     high density polyethylene    

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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/nitriteFor hydrogenation, hydrogenation of nitrate/nitrite contaminants in water is mainly focused.

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

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Title Author Date Type Operation

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

Kinetics of UV curable alkyl 3-mercaptopropionate-vinyl silizane

SONG Jiale, CHEN Lixin, WANG Yazhou, CHEN Weiwei, WANG Rumin

Journal Article

Surface hydrophobicity: effect of alkyl chain length and network homogeneity

Wenqian Chen, Vikram Karde, Thomas N. H. Cheng, Siti S. Ramli, Jerry Y. Y. Heng

Journal Article

Lignin-based polymer with high phenolic hydroxyl group content prepared by the alkyl chain bridging method

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

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

Effects of nitrite on phosphate uptake in anaerobic-oxic process

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

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

Experimental study of nitrite accumulation in pre-denitrification biological nitrogen removal process

WU Xuelei, CHEN Lunqiang, PENG Yongzhen, WANG Pu, WANG Yayi

Journal Article

Performance of completely autotrophic nitrogen removal over nitrite process under different aeration

GUO Jinsong, YANG Guohong, FANG Fang, QIN Yu

Journal Article

The impact of ultrasonic treatment on activity of ammonia-oxidizing bacteria and nitrite-oxidizing bacteria

Siqi Li, Min Zheng, Shuang Wu, Yu Xue, Yanchen Liu, Chengwen Wang, Xia Huang

Journal Article

Unveiling the interaction mechanisms of key functional microorganisms in the partial denitrification-anammox process induced by COD

Journal Article

Gas phase ethylene polymerization over SiO

Liuzhong LI, Aiyou HAO, Ruihua CHENG, Boping LIU

Journal Article

Catalytic reduction for water treatment

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

Journal Article