Life Cycle Assessment of the Bio- hydrometallurgical process of Recycling Copper from Printed Circuit Boards Scraps

被引：4
|
作者：
Zhang Chenglong [1 ]
Wang Jingwei [1 ]
Bai Jianfeng [1 ]
Wu Wenjie [1 ]
机构：
[1] Shanghai Second Polytech Univ, Sch Environm Engn, Shanghai 201209, Peoples R China
来源：
ADVANCED MANUFACTURING TECHNOLOGY, PTS 1, 2 | 2011年 / 156-157卷
关键词：
CHINA;
D O I：
10.4028/www.scientific.net/AMR.156-157.929
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
LCA, Printed circuit boards scraps, Bioleaching, Copper, Environmental impact. Abstract. Recently, a few studies have been undertaken for the extracting of metallic copper from electronic scrap/printed circuit boards by bioleaching - solvent extraction-electrowinning. Results of the present investigation indicate that bioleaching-solvent extraction-electrowinning could be a new cleaner hydrometallurgy route for recovery copper from the PCBs.The life cycle assessment method was used to investigate the environmental impacts of the new biohydrometallurgical process of production of metallic copper. The energy consumption, greenhouse effect, acidification in the new processes is studied and compared. The results indicate that the environmental impacts of bioleaching - solvent extraction-electrowinning technology is less than the conventional mechanical-pyrometallurgical processes and pyrometallurgical processes.
引用
收藏
页码：929 / 932
页数：4
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