Electrochemistry during efficient copper recovery from complex electronic waste using ammonia based solutions
Sun, Zhi1,2; Cao, Hongbin2; Venkatesan, Prakash1; Jin, Wei2; Xiao, Yanping3; Sietsma, Jilt1; Yang, Yongxiang1
2017-09-01
发表期刊FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING
ISSN2095-0179
卷号11期号:3页码:308-316
摘要

Leaching selectivity during metal recovery from complex electronic waste using a hydrochemical process is always one of the generic issues. It was recently improved by using ammonia-based leaching process, specifically for electronic waste enriched with copper. This research proposes electrodeposition as the subsequent approach to effectively recover copper from the solutions after selective leaching of the electronic waste and focuses on recognising the electrochemical features of copper recovery. The electrochemical reactions were investigated by considering the effects of copper concentration, scan rate and ammonium salts. The diffusion coefficient, charge transfer coefficient and heterogeneous reaction constant of the electrodeposition process were evaluated in accordance with different solution conditions. The results have shown that electrochemical recovery of copper from ammoniabased solution under the conditions of selective electronic waste treatment is charge transfer controlled and provide bases to correlate the kinetic parameters with further optimisation of the selective recovery of metals from electronic waste.

关键词Copper Recovery Electronic Waste End-of-life Products Selective Leaching Electrodeposition
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1007/s11705-016-1587-x
收录类别SCI
语种英语
关键词[WOS]NUCLEATION MECHANISMS ; ELECTRODEPOSITION ; MIXTURES ; PRODUCTS ; PARAMETERS ; BEHAVIOR ; CHLORIDE ; SCRAPS ; SILVER ; BOARD
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者M2i project(T45.5.12479) ; CAS
WOS记录号WOS:000409067300004
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/23190
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Delft Univ Technol, Dept Mat Sci & Engn, NL-2628 CD Delft, Netherlands
2.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
3.Tata Steel, Ironmaking Dept, R&D, NL-1970 CA Ijmuiden, Netherlands
推荐引用方式
GB/T 7714
Sun, Zhi,Cao, Hongbin,Venkatesan, Prakash,et al. Electrochemistry during efficient copper recovery from complex electronic waste using ammonia based solutions[J]. FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING,2017,11(3):308-316.
APA Sun, Zhi.,Cao, Hongbin.,Venkatesan, Prakash.,Jin, Wei.,Xiao, Yanping.,...&Yang, Yongxiang.(2017).Electrochemistry during efficient copper recovery from complex electronic waste using ammonia based solutions.FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING,11(3),308-316.
MLA Sun, Zhi,et al."Electrochemistry during efficient copper recovery from complex electronic waste using ammonia based solutions".FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING 11.3(2017):308-316.
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