A semi-scaled experiment for metals separating and recovering from waste printed circuit boards by slurry electrolysis | |
Wang, Jiqin1; Huang, Zhouman2; Yang, Deze1; Zeng, Xiangfei1; Chen, Mengjun1; Shu, Jiancheng1; Sun, Zhi3; Sun, Shuhui4; Xiao, Zhengxue1 | |
刊名 | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION |
2021-03-01 | |
卷号 | 147页码:37-44 |
关键词 | Wpcbs Metals Separation Recovery Slurry Electrolysis Semi-scaled |
ISSN号 | 0957-5820 |
DOI | 10.1016/j.psep.2021.09.030 |
英文摘要 | Waste printed circuit boards (WPCBs) are considered as the most complicated and valuable component among e-waste. Slurry electrolysis can separate and recover metals from the extremely complex WPCBs. To promote its industrial application, a 5000 mL scale experiment was conducted to confirm industrial feasibility. Those results showed that copper and total metal recovery rates were 94.5 % and 75.2 % under the optimized conditions (30 g/L WPCBs, 10 g/L CuSO4 center dot H2O, 30 g/L NaCl, 190 g/L H2SO4, 30 g/L H2O2, 298 K temperature, 250 r/min stirring speed, 300 A/m(2) and 8 h). The copper purity was 92.9 %, and SEM-EDS analyses indicated the main dendritic metals recovered were copper and lead. USEtox toxicity potential evaluation results demonstrated human toxicity and ecotoxicity of WPCBs sharply decreased after treatment. A cost analysis of this process indicated that the $ 1.0 cost was partially offset by the $ 1.9 return from 1 kg WPCBs. Thus, slurry electrolysis has a promising industrial future for e-waste recycling/utilization. (C) 2020 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved. |
资助项目 | National Natural Science Foundation of China[51974262] ; Science & Technology Pillar Program of Sichuan Province[2019YFS0450] |
WOS研究方向 | Engineering |
语种 | 英语 |
出版者 | ELSEVIER |
WOS记录号 | WOS:000623811400003 |
资助机构 | National Natural Science Foundation of China ; Science & Technology Pillar Program of Sichuan Province |
内容类型 | 期刊论文 |
源URL | [http://ir.ipe.ac.cn/handle/122111/48085] |
专题 | 中国科学院过程工程研究所 |
通讯作者 | Chen, Mengjun |
作者单位 | 1.Southwest Univ Sci & Technol, Key Lab Solid Waste Treatment & Resource Recycle, Minist Educ, 59 Qinglong Rd, Mianyang 621010, Sichuan, Peoples R China 2.WuChang Univ Technol, Coll Life Sci, Wuhan 430223, Hubei, Peoples R China 3.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China 4.Inst Natl Rech Sci Energie Mat & Telecommun, Varennes, PQ J3X 1S2, Canada |
推荐引用方式 GB/T 7714 | Wang, Jiqin,Huang, Zhouman,Yang, Deze,et al. A semi-scaled experiment for metals separating and recovering from waste printed circuit boards by slurry electrolysis[J]. PROCESS SAFETY AND ENVIRONMENTAL PROTECTION,2021,147:37-44. |
APA | Wang, Jiqin.,Huang, Zhouman.,Yang, Deze.,Zeng, Xiangfei.,Chen, Mengjun.,...&Xiao, Zhengxue.(2021).A semi-scaled experiment for metals separating and recovering from waste printed circuit boards by slurry electrolysis.PROCESS SAFETY AND ENVIRONMENTAL PROTECTION,147,37-44. |
MLA | Wang, Jiqin,et al."A semi-scaled experiment for metals separating and recovering from waste printed circuit boards by slurry electrolysis".PROCESS SAFETY AND ENVIRONMENTAL PROTECTION 147(2021):37-44. |
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