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N<sub>2sub>O emission from a sequencing batch reactor for biological N and P removal from wastewater

Lei SHEN,Yuntao GUAN,Guangxue WU,Xinmin ZHAN

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 5,   Pages 776-783 doi: 10.1007/s11783-013-0586-0

Abstract: N O emission from a sequencing batch reactor (SBR) for biological nitrogen and phosphorus removal fromO emission and to study the effects of heterotrophic activities on N O emission during nitrification.The results showed that N O emission was mainly attributed to nitrification rather than to denitrificationN O emission during denitrification mainly occurred with stored organic carbon as the electron donor.The ratio of N O emission to the removed ammonium nitrogen (N O-N/NH -N) was 2.5% in the SBR system with

Keywords： biological nutrient removal     denitrification     greenhouse gas     nitrification     nitrous oxide    

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Rh<sub>2sub>O<sub>3sub>/hexagonal CePO<sub>4sub> nanocatalysts for N<sub>2sub>O 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., H O or O /H O) on the N O decomposition was also investigated.The samples were characterized by N adsorption-desorption, inductively coupled plasma optical emission

Keywords： Rh<sub>2sub>O<sub>3sub>     CePO<sub>4sub>     N<sub>2sub>O decomposition    

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The performance of nitrate-reducing Fe(II) oxidation processes under variable initial Fe/N ratios: The

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1366-2

Abstract:

•Bacterially-mediated coupled N and Fe processes examined in incubation

Keywords： Denitrification     N<sub>2sub>O emission     Fe(II) oxidation     Fe/N ratio     Fe minerals    

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CH<sub>4sub> and N<sub>2sub>O emissions from double-rice cropping system as affected by Chinese milk

Heshui XU,Dengyun LI,Bo ZHU,Kai ZHANG,Yadong YANG,Chen WANG,Ying JIANG,Zhaohai ZENG

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 1,   Pages 59-68 doi: 10.15302/J-FASE-2017137

Abstract: Chinese milk vetch (CMV) and rice straw (RS) were incorporated into soil to substitute for synthetic NHowever, little is known about the integrated impacts of CMV and RS incorporation on CH and N O emissionsO emissions.CMV and/or RS incorporation produced equivalent or slightly more grain yield, while reducing N O emissionsN O emission, but enhanced CH emission.

Keywords： Chinese milk vetch     CH<sub>4sub>     double-rice cropping system     grain yield     N<sub>2sub>O     rice straw    

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NiCo2O4@quinone-rich N–C core–shell nanowires as composite electrode for electric double layer capacitor

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 373-386 doi: 10.1007/s11705-022-2223-6

Abstract: >2sub>O<sub>4sub> nanowires were firstly grown on the substrate of active carbon cloth to provideThen, the quinone-rich nitrogen-doped carbon shell structure was formed around NiCo<sub>2sub>O<sub>results showed that the composite electrode displayed an area-specific capacitance of 1794 mF∙cm–2 at the current density of 1 mA∙cm–2.capacitance retention of 88.96% after 10000 charge/discharge cycles at the current density of 20 mA∙cm–2<

Keywords： carbon cloth     NiCo<sub>2sub>O<sub>4sub> nanowires     core−shell structure     quinone-rich     electric double    

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Effects of Pd doping on N

Mingxin Dong, Jun Wang, Jinxin Zhu, Jianqiang Wang, Wulin Wang, Meiqing Shen

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0976-9

Abstract: N O is a powerful greenhouse gas and plays an important role in destructing the ozone layer.This present work investigated the effects of Pd doping on N O formation over Pt/BaO/Al O catalyst.Compared with Pt/BaO/Al O , (Pt/BaO/Al O +Pd/Al O ) produced less N O and more NH during NO storageN leading to a decrease in N O formation.Most of N O formed over (Pt-Pd/BaO/Al O +Al O ) was originated from Pd/BaO/Al O component.

Keywords： NO<sub>xsub> storage reduction     Pt/BaO/Al<sub>2sub>O<sub>3sub>     Pd doping     N<sub>2sub>O formation    

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Evaluation of H<sub>2sub> on the Evolution Mechanism of NO<sub>xsub> Storage and Reductionover Pt–Ba–Ce/γ-Al<sub>2sub>O<sub>3sub> Catalysts Article

Pan Wang, Jing Yi, Chuan Sun, Peng Luo, Lili Lei

Engineering 2019, Volume 5, Issue 3,   Pages 568-575 doi: 10.1016/j.eng.2019.02.005

Abstract:

In this investigation, Pt–Ba–Ce/γ-Al<sub>2sub>O<sub>3sub> catalysts were preparedThe physical and chemical properties of the Pt–Ba–Ce/γ-Al<sub>2sub>O<sub>3sub>>xsub>, CeO<sub>2sub>, and BaCO<sub>3sub>, whose peaks were observed in X-ray diffraction(XRD) spectra, dispersed well on the γ-Al2O3, as shown by transmission electron microscope (TEM>catsub> at 350 °C, which was ascribed to the increase in NO<sub>2sub> yield.

Keywords： Pt–Ba–Ce/γ-Al<sub>2sub>O<sub>3sub> catalysts     Physicochemical properties     NO<sub>xsub> storageand reduction     NO<sub>xsub> emission     H<sub>2sub> reductant    

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Physical and chemical processes of wintertime secondary nitrate aerosol formation

Qi YING

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 348-361 doi: 10.1007/s11783-011-0343-1

Abstract: In the nighttime hours, both the gas phase N O reactions with water vapor and the N O heterogeneousThe N O reactions are most import near the surface to a few hundred meters above surface with a maximumsecondary nitrate increase rate of 1 μg·m ·d and are more significant in the rural areas where the O

Keywords： secondary nitrate aerosol     N<sub>2sub>O<sub>5sub> heterogeneous reaction     process analysis    

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Inexpensive synthesis of a high-performance Fe

Nadir Abbas, Godlisten N. Shao, Syed M. Imran, Muhammad S. Haider, Hee Taik Kim

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 3,   Pages 405-416 doi: 10.1007/s11705-016-1579-x

Abstract: A sol-gel technique has been developed for the synthesis of a magnetite-silica-titania (Fe O -SiO -TiO

Keywords： sol-gel     photocatalysis     magnetic recovery     TiO<sub>2sub>     Fe<sub>3sub>O<sub>4sub>     SiO<sub>2sub>    

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The stabilization effect of Al<sub>2sub>O<sub>3sub> on unconventional Pb/SiO<sub>2sub> 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 Al<sub>2sub>O<sub>3sub> with a small amount, wasintroduced into Pb/SiO<sub>2sub> catalyst in this study.It has been proved that Al<sub>2sub>O<sub>3sub> can inhibit the reduction of PbO, and weaken theAs a result, 3Al15Pb/SiO<sub>2sub> catalyst exhibits a much higher stability up to more than 150 h.>2sub>O<sub>3sub> addition was also proposed.

Keywords： Pb/SiO<sub>2sub>     Al<sub>2sub>O<sub>3sub>     propane dehydrogenation     propene     stability    

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Development of H<sub>2sub>O/CO<sub>2sub> co-electrolysis in solid oxide electrolysis cell

Fan Hui,Song Shidong,Han Minfang

Strategic Study of CAE 2013, Volume 15, Issue 2,   Pages 107-112

Abstract: The structure of SOEC, the recent development of high temperature steam/CO2 co-electrolysis from

Keywords： SOEC     H<sub>2sub>O/CO<sub>2sub> co-electrolysis     syngas     electrolysis efficiency     water electrolysis    

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Thermodynamic Analysis and Reaction Model of Combustion Synthesis in Al-Cr<sub>2sub>O<sub>3sub> Systemwith Al<sub>2sub>O<sub>3sub> and Cr<sub>2sub>O<sub>3sub> Diluents

Zhang Yancheng,Pan Ye,Zhang Chuan

Strategic Study of CAE 2004, Volume 6, Issue 6,   Pages 63-67

Abstract:

The thermodynamic calculation and analysis of combustion synthesis reaction of Al - Cr<sub>2</sub>O<sub>3</sub> system with AI<sub>2</sub>O<sub>3</sub>and Cr<sub>2</sub>O<sub>3</sub> diluents were conducted, and the effects of reactionstarting temperature T<sub>O</sub>, diluents AI<sub>2</sub>O<sub>3</sub> and Cr<sub>2</sub>O<sub>3</sub> on the adiabatic combustion temperature

Keywords： cermet     combustion synthesis     Al - Cr<sub>2sub>O<sub>3sub> system     thermodynamics     reaction model    

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ZnFe<sub>2sub>O<sub>4sub> deposited on BiOCl with exposed (001) and (010) facets for photocatalyticreduction of CO<sub>2sub> in cyclohexanol

Guixian Song, Xionggang Wu, Feng Xin, Xiaohong Yin

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 2,   Pages 197-204 doi: 10.1007/s11705-016-1606-y

Abstract: ZnFe O -BiOCl composites were prepared by both hydrothermal and direct precipitation processes and theThe photocatalytic CO reduction activities over the hydrothermally prepared ZnFe O -BiOCl compositesThis is because compared to the direct-precipitation sample, the ZnFe O nanoparticles in the hydrothermalThe mechanism for the photocatalytic reduction of CO in cyclohexanol over ZnFe O -BiOCl composites with

Keywords： reduction of CO<sub>2sub>     cyclohexanol     ZnFe<sub>2sub>O<sub>4sub> deposited BiOCl     facet     composite    

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Spray Preparation, Microstructure and Properties of Al<sub>2sub>O<sub>3sub>-M<sub>xsub>O Hard -

Wang Biao,Wang Yudong,Li Huiling,Zhang Zihua

Strategic Study of CAE 2002, Volume 4, Issue 9,   Pages 75-80

Abstract: carbon steel substrate, base coating of nickel-coated aluminium and intermediate coating of 50% Al<sub>2sub>O<sub>3sub> + 50% Ni were prepared by means of oxyacetylene spray, and final coating of Al<sub>2sub>O<sub>3sub> ～ M<sub>xsub>O<sub>ysub> was prepared by means of plasma spray.of 60% (mass) sulphuric acid with 60 % concentration, and 40% (mass) phosphoric ore powder, the Al<sub>2sub>O<sub>3sub> ～ M<sub>xsub>O<sub>ysub> coating resistance to corrosion and wear, is 7.46

Keywords： Al<sub>2sub>O<sub>3sub>-M<sub>xsub>O<sub>ysub>     coating     plasma     resistance to corrosion     resistance    

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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) wereOff-gas analysis showed that N O was emitted into the atmosphere during the aerobic (low dissolved oxygen) period in the three SBRs, and the order of N O emission rate was SBR-2>SBR-1>SBR-3.Further research indicated that the interaction of the factors above potentially affected the N O emission

Keywords： anaerobic-aerobic (low dissolved oxygen)     nitrous oxide (N<sub>2sub>O) emitting rate     municipal wastewater    

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Title Author Date Type Operation

N<sub>2sub>O emission from a sequencing batch reactor for biological N and P removal from wastewater

Lei SHEN,Yuntao GUAN,Guangxue WU,Xinmin ZHAN

Journal Article

Rh<sub>2sub>O<sub>3sub>/hexagonal CePO<sub>4sub> nanocatalysts for N<sub>2sub>O decomposition

Huan Liu, Zhen Ma

Journal Article

The performance of nitrate-reducing Fe(II) oxidation processes under variable initial Fe/N ratios: The

Journal Article

CH<sub>4sub> and N<sub>2sub>O emissions from double-rice cropping system as affected by Chinese milk

Heshui XU,Dengyun LI,Bo ZHU,Kai ZHANG,Yadong YANG,Chen WANG,Ying JIANG,Zhaohai ZENG

Journal Article

NiCo2O4@quinone-rich N–C core–shell nanowires as composite electrode for electric double layer capacitor

Journal Article

Effects of Pd doping on N

Mingxin Dong, Jun Wang, Jinxin Zhu, Jianqiang Wang, Wulin Wang, Meiqing Shen

Journal Article

Evaluation of H<sub>2sub> on the Evolution Mechanism of NO<sub>xsub> Storage and Reductionover Pt–Ba–Ce/γ-Al<sub>2sub>O<sub>3sub> Catalysts

Pan Wang, Jing Yi, Chuan Sun, Peng Luo, Lili Lei

Journal Article

Physical and chemical processes of wintertime secondary nitrate aerosol formation

Qi YING

Journal Article

Inexpensive synthesis of a high-performance Fe

Nadir Abbas, Godlisten N. Shao, Syed M. Imran, Muhammad S. Haider, Hee Taik Kim

Journal Article

The stabilization effect of Al<sub>2sub>O<sub>3sub> on unconventional Pb/SiO<sub>2sub> catalyst

Journal Article

Development of H<sub>2sub>O/CO<sub>2sub> co-electrolysis in solid oxide electrolysis cell

Fan Hui,Song Shidong,Han Minfang

Journal Article

Thermodynamic Analysis and Reaction Model of Combustion Synthesis in Al-Cr<sub>2sub>O<sub>3sub> Systemwith Al<sub>2sub>O<sub>3sub> and Cr<sub>2sub>O<sub>3sub> Diluents

Zhang Yancheng,Pan Ye,Zhang Chuan

Journal Article

ZnFe<sub>2sub>O<sub>4sub> deposited on BiOCl with exposed (001) and (010) facets for photocatalyticreduction of CO<sub>2sub> in cyclohexanol

Guixian Song, Xionggang Wu, Feng Xin, Xiaohong Yin

Journal Article

Spray Preparation, Microstructure and Properties of Al<sub>2sub>O<sub>3sub>-M<sub>xsub>O Hard -

Wang Biao,Wang Yudong,Li Huiling,Zhang Zihua

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