Electrochemical removal of ammonium nitrogen in high efficiency and N2 selectivity using non-noble single-atomic iron catalyst

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成果类型：

期刊论文

作者：

Quan, Fengjiao;Zhan, Guangming;Zhou, Bing;Ling, Cancan;Wang, Xiaobing;...

通讯作者：

Falong Jia<&wdkj&>Lizhi Zhang

作者机构：

[Quan, Fengjiao; Li, Jianfen; Shen, Wenjuan] Wuhan Polytech Univ, Coll Chem & Environm Engn, Wuhan 430023, Peoples R China.

[Ling, Cancan; Zhang, Lizhi; Zhou, Bing; Zhan, Guangming; Jia, Falong] Cent China Normal Univ, Inst Environm Appl Chem, Coll Chem, Wuhan 430079, Peoples R China.

[Wang, Xiaobing] Shaoguan Univ, Sch Chem & Civil Engn, Shaoguan 512005, Peoples R China.

通讯机构：

[Falong Jia; Lizhi Zhang] I

Institute of Environmental & Applied Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, China

语种：

英文

关键词：

Ammonia;Aquaculture;Atoms;Carbon;Catalyst activity;Chlorine compounds;Density functional theory;Doping (additives);Electrocatalysts;Electrodes;Nitrogen removal;Precious metals;Ammonia-nitrogen removals;Aquaculture wastewater;Electrochemical removal;Higher efficiency;Iron catalyst;NH 4 + N;Non-noble metal catalysts;Single-atom iron;Single-atoms;]+ catalyst;Efficiency;ammonia;catalyst;laboratory method;nitrogen;pollutant removal;removal experiment;wastewater treatment;ammonium derivative;carbon;chloride;iron;nitrogen;wastewater;Ammonium Compounds;Carbon;Chlorides;Iron;Nitrogen;Waste Water

期刊：

环境科学学报(英文版)

ISSN：

1001-0742

年：

2023

卷：

125

期：

页码：

544-552

DOI：

10.1016/j.jes.2022.03.004

基金类别：

This work was supported by the Natural Science Foundation of Hubei Province of China (No. 2020CFB382), the National Natural Science Foundation of China ( No. 22176068 ) and the Research and Innovation Initiatives of WHPU (No. 2022J03).

机构署名：

本校为第一机构

院系归属：

化学与环境工程学院

摘要：

Ammonia nitrogen (NH4+-N) is a ubiquitous environmental pollutant, especially in offshore aquaculture systems. Electrochemical oxidation is very promising to remove NH4+-N, but suffers from the use of precious metals anodes. In this work, a robust and cheap electrocatalyst, iron single-atoms distributed in nitrogen-doped carbon (Fe-SAs/N-C), was developed for electrochemical removal of NH4+-N from in wastewater containing chloride. The Fe-SAs/N-C catalyst exhibited superior activity than that of iron nanoparticles loaded carbon (Fe-NPs/N-C), un...

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Electrochemical removal of ammonium nitrogen in high efficiency and N2 selectivity using non-noble single-atomic iron catalyst

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