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题名:
Controlled Electrodeposition of Uniform Copper Powder from Hydrochloric Acid Solutions
作者: Jin, Wei; Su, Junling; Zheng, Shili; Lei, Hong
刊名: JOURNAL OF THE ELECTROCHEMICAL SOCIETY
出版日期: 2017
卷号: 164, 页码:D723
关键词: WASTE-WATER ; RECOVERY ; SULFATE ; EFFLUENTS ; REMOVAL ; ALLOYS ; SCALE ; CELL
WOS记录号: WOS:000415283600112
DOI: 10.1149/2.1491712jes
通讯作者: Jin, W (reprint author), Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: Recovery of copper from hydrochloric acid solution is of significant importance for the heavy-metal pollution protection and valuable metal resources utilization. In order to overcome the drawbacks of low current efficiency and contaminated deposits in conventional electrochemical recovery, a controlled electrodeposition process was first developed using low-cost stainless steel cathodes. It has been demonstrated that mass transport has a facilitating effect for the copper electrodeposition in HCl media, thus a cylinder turbulent cell equipped larger surface area cathode was used. 93.6% copper was successfully extracted with a current efficiency of 89.4%, and the impurity of CuCl was completely eliminated. This indicated the low efficiency chloride-mediated pathway was avoided and the regular 2e reduction to metallic copper was greatly improved. Besides, more uniform and fine powder was obtained, which could be readily flushed and collected from the cell with water. This controlled electrodeposition may serve as a promising alternative to overcome the disadvantages of existing metal recovery and water purification. (C) 2017 The Electrochemical Society. All rights reserved.
ISSN号: 0013-4651 ; 1945-7111
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内容类型: 期刊论文
URI标识: http://ir.ipe.ac.cn/handle/122111/23540
Appears in Collections:研究所(批量导入)_期刊论文

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Recommended Citation:
Jin, Wei,Su, Junling,Zheng, Shili,et al. Controlled Electrodeposition of Uniform Copper Powder from Hydrochloric Acid Solutions[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2017,164:D723, D728.
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