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Keywords

Immunoglobulin G 5

N2O 4

n-heptane 4

CH4 3

1 2

N 2

N-nitrosodimethylamine 2

N-nitrosodimethylamine (NDMA) 2

C/N ratio 2

CO2 2

COD/N ratio 2

Capillary gel electrophoresis 2

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Denitrification 2

Fe 2

Fe3O4 2

Glycosylation 2

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H7N9 2

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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     N2O emission     Fe(II) oxidation     Fe/N ratio     Fe minerals    

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Floret-like Fe–N nanoparticle-embedded porous carbon superstructures from a Fe-covalent triazine polymer

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 525-535 doi: 10.1007/s11705-022-2232-5

Abstract: Fe–Nx nanoparticles-embedded porous carbons with a desirable superstructure have attractedHerein, we employed Fe-coordinated covalent triazine polymer for the fabrication of Fe–Nxto the generation of Fe/N coordination and subsequent Fe–Nx nanoparticles.Owing to the utilization of NaCl crystals, the resultant Fe/N@CNF-800 which was generated by pyrolysisAs expect, the Fe/N@CNF-800 exhibited unexpected oxygen reduction reaction catalytic performance with

Keywords： Fe–Nx nanoparticles     hypersaline-confinement conversion     floret-like carbon     covalent    

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Enhancing the efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:1 to 14:1) for simultaneous C & N removal

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1522-y

Abstract:

• Simultaneous C & N removal in Methammox occurs at wide C:N ratio.

Keywords： Methanogens     Biological Nitrogen Removal (BNR)     Simultaneous     Methammox     C:N ratio    

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Bamboo-like -doped carbon nanotubes encapsulating M(Co, Fe)-Ni alloy for electrochemical production of

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 4,   Pages 498-510 doi: 10.1007/s11705-021-2082-6

Abstract: Low-cost electrocatalysts to produce tunable syngas with a potential-independent CO/H2 ratioHerein, a series of N-doped carbon nanotubes encapsulating binary alloy nanoparticles (MxNi-NCNT, M= Fe, Co) were successfully fabricated through the co-pyrolysis of melamine andMore importantly, stable CO/H2 ratios of 2:1 and 1.5:1, corresponding to the ratio to producepotential-independent electrocatalysts to effectively produce syngas with an adjustable CO/H2 ratio

Keywords： electrochemical reduction of CO2     syngas     N-doped carbon nanotubes     encapsulated alloynanoparticles     CO/H2 ratio    

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New insight into effect of potential on degradation of Fe-N-C catalyst for ORR

Yanyan GAO, Manman QI, Liang HE, Haiping CHEN, Wenzhe LUO, Ming HOU, Zhigang SHAO

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 421-430 doi: 10.1007/s11708-021-0727-2

Abstract: In recent years, Fe-N-C catalyst is particularly attractive due to its high oxygen reduction reactionHowever, the durability problems still pose challenge to the application of Fe-N-C catalyst.Although considerable work has been done to investigate the degradation mechanisms of Fe-N-C catalystIn fact, the 2e pathway in the ORR process of Fe-N-C catalyst would result in the formation of H O ,In this paper, a new insight into the effect of potential on degradation of Fe-N-C catalyst was provided

Keywords： proton exchange membrane fuel cells (PEMFCs)     oxygen reduction reaction (ORR)     Fe-N-C catalyst     potential    

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Influence of Fe on electrocatalytic activity of iron-nitrogen-doped carbon materials toward oxygen reduction

Lin LI, Cehuang FU, Shuiyun SHEN, Fangling JIANG, Guanghua WEI, Junliang ZHANG

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 812-821 doi: 10.1007/s11708-020-0669-0

Abstract: Among different M-N-C electrocatalysts, the series of Fe-N-C materials are highly favored because ofwill, in turn, guide the design of Fe-N-C materials with enhanced performance.Herein, a series of Fe-N-C electrocatalysts are synthesize and the influence of Fe on the ORR activityIt is deduced that the active site lies in the structure of Fe-N , accompanied with the addition of appropriateMoreover, it is speculated that Fe plays an important role in stabilizing N as well as constituting active

Keywords： oxygen reduction reaction     Fe-N-C     active sites     Fe addition     second heat treatment    

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Nitrogen removal performance of municipal reverse osmosis concentrate with low C/N ratio by membrane-aerated

Xiao Quan, Kai Huang, Mei Li, Meichao Lan, Baoan Li

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 6, doi: 10.1007/s11783-018-1047-6

Abstract: listitem>

MABR exhibits excellent TN removal performance for treating ROC with low C/Nratio.

Keywords： Membrane-aerated biofilm reactor (MABR)     Salinity     Total nitrogen     Reverse osmosis concentrate    

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Investigation on the N∶P ratio varying under the blue-green alga seasonal blooming in north area of

He Feng,Duan Changqun,Du Jinsong,Han Yaping,Guo Yanying,Pan Min,Song renbin

Strategic Study of CAE 2010, Volume 12, Issue 6,   Pages 94-98

Abstract: Both of the concentrations of N and P in original water and in filtered water were also be monitored.The aim of the study is to figure out the alga's influence on the concentrations of N and P in theconstant, and both of them have no significant ecological stoichiometry of the N∶P ratio.We also made correlation-ship analysis between the N∶P ratio of water and biomass of alga.P ratio of water.

Keywords： the Dianchi Lake     blue-green alga     the N∶P ratio     variation     ecological stoichiometry    

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Sludge fermentation liquid addition attained advanced nitrogen removal in low C/N ratio municipal wastewater

Shengjie Qiu, Jinjin Liu, Liang Zhang, Qiong Zhang, Yongzhen Peng

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1318-x

Abstract: . • Extra NH4+-N from SFL was removed by anammox in anoxic phase. • Nitrogen removal efficiency of 92.51%was achieved in municipal wastewater. • The novel system could efficiently treat low COD/N municipalBiological nitrogen removal of wastewater with low COD/N ratio could be enhanced by the addition of wastedReal municipal wastewater with a low C/N ratio of 2.8–3.4 was treated in a sequencing batch reactor (

Keywords： Sludge fermentation liquid     Municipal wastewater     Advanced nitrogen removal     Short-cut nitrification     Partial anammox    

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Characterization of CANON reactor performance and microbial community shifts with elevated COD/N ratios

Yao Zhang, Yayi Wang, Yuan Yan, Haicheng Han, Min Wu

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 1, doi: 10.1007/s11783-019-1095-6

Abstract:

COD/N at low ratios (0–0.82) improved N removals of CANON.

CANON performance decreased after COD/N up to

The relative abundance of AOB decreased continuously with increasing COD/N.listitem>

The relative abundance of AnAOB decreased and increased with increasing COD/N.

Keywords： CANON process     COD/N ratio     Anammox     Ammonia oxidizing bacteria     Aerobic heterotrophic bacteria    

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Process improvement in laser hot wire cladding for martensitic stainless steel based on the Taguchi method

Zilin HUANG,Gang WANG,Shaopeng WEI,Changhong LI,Yiming RONG

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3,   Pages 242-249 doi: 10.1007/s11465-016-0397-7

Abstract: In this work, volumetric defect ratio was proposed as the criterion to describe the integrity of formingsub>f), and wire current (I), were optimized based on the analysis of signal-to-noise (S/N)ratio.

Keywords： process optimization     Taguchi method     signal-to-noise (S/N) ratio     volumetric defect ratio     laser hot wire    

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Nitrate removal to its fate in wetland mesocosm filled with sponge iron: Impact of influent COD/N ratio

Zhihao Si, Xinshan Song, Xin Cao, Yuhui Wang, Yifei Wang, Yufeng Zhao, Xiaoyan Ge, Awet Arefe Tesfahunegn

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 1, doi: 10.1007/s11783-019-1183-7

Abstract: CW-Fe allowed a high-performance of NO3‒-N removal at the COD/N ratio of 0.presence of s-Fe0.to NH4+-N, at the COD/ratio of 0.An increase of the influent COD/N ratio resulted in lower chemical denitrification and higher bio-denitrificationAlthough chemical denitrification mediated by s-Fe0 led to an accumulation of NH4+-N at COD/N ratios

Keywords： Sponge iron     Wetland mesocosm     Electronic donor     Denitrification     COD/N ratio    

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Mechanistic insight into the biofilm formation and process performance of a passive aeration ditch (PAD) for decentralized wastewater treatment

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1494-3

Abstract:

• A Passive Aeration Ditch was developed to treat decentralized wastewater.

Keywords： Decentralized wastewater     Passive aeration ditch     Biofilm formation     C/N ratio     Salinity     Model simulation    

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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     TiO2     Fe3O4     SiO2    

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Organic nitrogen in PM

Qian ZHANG,Fengkui DUAN,Kebin HE,Yongliang MA,Haiyan LI,Takashi KIMOTO,Aihua ZHENG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 1004-1014 doi: 10.1007/s11783-015-0799-5

Abstract: N:C ratios are much higher in summer than winter.

Keywords： organic nitrogen     N:C ratio     secondary     day and night variation     relative humidity (RH)     acidity    

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Title Author Date Type Operation

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

Journal Article

Floret-like Fe–N nanoparticle-embedded porous carbon superstructures from a Fe-covalent triazine polymer

Journal Article

Enhancing the efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:1 to 14:1) for simultaneous C & N removal

Journal Article

Bamboo-like -doped carbon nanotubes encapsulating M(Co, Fe)-Ni alloy for electrochemical production of

Journal Article

New insight into effect of potential on degradation of Fe-N-C catalyst for ORR

Yanyan GAO, Manman QI, Liang HE, Haiping CHEN, Wenzhe LUO, Ming HOU, Zhigang SHAO

Journal Article

Influence of Fe on electrocatalytic activity of iron-nitrogen-doped carbon materials toward oxygen reduction

Lin LI, Cehuang FU, Shuiyun SHEN, Fangling JIANG, Guanghua WEI, Junliang ZHANG

Journal Article

Nitrogen removal performance of municipal reverse osmosis concentrate with low C/N ratio by membrane-aerated

Xiao Quan, Kai Huang, Mei Li, Meichao Lan, Baoan Li

Journal Article

Investigation on the N∶P ratio varying under the blue-green alga seasonal blooming in north area of

He Feng,Duan Changqun,Du Jinsong,Han Yaping,Guo Yanying,Pan Min,Song renbin

Journal Article

Sludge fermentation liquid addition attained advanced nitrogen removal in low C/N ratio municipal wastewater

Shengjie Qiu, Jinjin Liu, Liang Zhang, Qiong Zhang, Yongzhen Peng

Journal Article

Characterization of CANON reactor performance and microbial community shifts with elevated COD/N ratios

Yao Zhang, Yayi Wang, Yuan Yan, Haicheng Han, Min Wu

Journal Article

Process improvement in laser hot wire cladding for martensitic stainless steel based on the Taguchi method

Zilin HUANG,Gang WANG,Shaopeng WEI,Changhong LI,Yiming RONG

Journal Article

Nitrate removal to its fate in wetland mesocosm filled with sponge iron: Impact of influent COD/N ratio

Zhihao Si, Xinshan Song, Xin Cao, Yuhui Wang, Yifei Wang, Yufeng Zhao, Xiaoyan Ge, Awet Arefe Tesfahunegn

Journal Article

Mechanistic insight into the biofilm formation and process performance of a passive aeration ditch (PAD) for decentralized wastewater treatment

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

Organic nitrogen in PM

Qian ZHANG,Fengkui DUAN,Kebin HE,Yongliang MA,Haiyan LI,Takashi KIMOTO,Aihua ZHENG

Journal Article