Electro-oxidation of Ni (II)-citrate complexes at BDD electrode and simultaneous recovery of metallic nickel by electrodeposition

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成果类型：

期刊论文

作者：

Zhuo, Qiongfang;Xu, Xiaofeng;Xie, Shuibo;Ren, Xiuwen;Chen, Zhongying;...

通讯作者：

Xie, SB

作者机构：

[Zhuo, Qiongfang; Xu, Xiaofeng; Niu, Junfeng; Li, Yanliang] Dongguan Univ Technol, Sch Environm & Civil Engn, Dongguan 523808, Peoples R China.

[Xie, Shuibo; Xu, Xiaofeng] Univ South China, Sch Civil Engn, Hengyang 421001, Peoples R China.

[Chen, Zhongying; Ren, Xiuwen] MEE, South China Inst Environm Sci, Guangzhou 510655, Peoples R China.

[Yang, Bo] Shenzhen Univ, Coll Chem & Environm Engn, Shenzhen 518071, Peoples R China.

通讯机构：

[Xie, SB ] U

Univ South China, Sch Civil Engn, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

Anodes;Cathodes;Current density;Electrochemical electrodes;Electrochemical oxidation;Electrodeposition;Electrolytes;Electrooxidation;Energy utilization;Metal recovery;Metals;Scanning electron microscopy;Sodium sulfate;X ray photoelectron spectroscopy;Boron-doped diamond anodes;Boron-doped diamond electrodes;Citrate complex;Electrode spacing;Electrooxidations;Energy-consumption;Metallic nickel;Metallic nickel recovery;Nickel recovery;Titanium cathode;Metal complexes;electrochemical method;electrode;electrolyte;energy use;nickel;pollutant removal;scanning electron microscopy;titanium;X-ray diffraction;1,3 dioxolane derivative;7,7'-dimethoxy-(4,4'-bi-1,3-benzodioxole)-5,5'-dicarboxylic acid dimethyl ester;boron;citric acid;diamond;nickel;chemistry;electrode;electroplating industry;oxidation reduction reaction;water pollutant;Boron;Citric Acid;Diamond;Dioxoles;Electrodes;Electroplating;Nickel;Oxidation-Reduction;Water Pollutants, Chemical

期刊：

环境科学学报(英文版)

ISSN：

1001-0742

年：

2022

卷：

116

期：

页码：

103-113

DOI：

10.1016/j.jes.2021.05.034

基金类别：

This work was supported by Major Science and Technology Program for Water Pollution Control and Treatment in China (No. 2017ZX07202-001-007), the National Science Fund for Distinguished Young Scholars (No. 51625801), the Guangdong Innovation Team Project for Colleges and Universities (No. 2016KCXTD023), Guangdong Provincial Science and Technology Project (No. 2017A020216014), the National Science Fund, China (No. 21777106), Pearl River S&T Noval Program of Guangzhou, China (No. 201710010065), and the key projects of Dongguan social science and technology development plan (No. 2019507140204).

机构署名：

本校为通讯机构

院系归属：

土木工程学院

摘要：

The simultaneous electro-oxidation of Ni (II)-citrate and electrodeposition recovery of nickel metal were attempted in a combined electro-oxidation-electrodeposition reactor with a boron-doped diamond (BDD) anode and a polished titanium cathode. Effects of initial nickel citrate concentration, current density, initial pH, electrode spacing, electrolyte type, and initial electrolyte dosage on electrochemical performance were examined. The efficiencies of Ni (II)-citrate removal and nickel metal recovery were determined to be 100% and over 72%, r...

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Electro-oxidation of Ni (II)-citrate complexes at BDD electrode and simultaneous recovery of metallic nickel by electrodeposition

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