ACID ELECTROLYTIC TREATMENT PROCESS OF SCRAP BATTERY SLUDGE 被引量：2

ACID ELECTROLYTIC TREATMENT PROCESS OF SCRAP BATTERY SLUDGE

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摘要ＡＣＩＤＥＬＥＣＴＲＯＬＹＴＩＣＴＲＥＡＴＭＥＮＴＰＲＯＣＥＳＳＯＦＳＣＲＡＰＢＡＴＴＥＲＹＳＬＵＤＧＥ①ＣｈｅｎＷｅｉｐｉｎｇ，ＺｅｎｇＹｕｅ，ＹａｎｇＸｉａ，ＣｈｅｎＸｉｎｌａｎ，ＪｉｎｇＹａｎｂｏＩｎｓｔｉｔｕｔｅｏｆＥｎｖｉｒｏｎｍｅｎｔａｌ... The physicochemical problems involved in the process of recovering lead from scrap battery sludge by a new acid electrolytic method have been investigated adopting electrochemical method. The new techniques developed include the utilization of K 2CO 3 as desulphurizer, FeSO 4-H 2SO 4 system in reducing converting, and PbSiF 6-H 2SiF 6 as electrolyte in electrowinning. Under experimental conditions, lead greater than 99.99% in purity was obtained with current efficiency greater than 98%, lead direct recovery above 95%, lead total recovery higher than 98%. Research and analysis showed that this process has many advantages, such as strong chemical driving force, stable operation and high lead recovery.

作者 Chen Weiping, Zeng Yue, Yang Xia, Chen Xinlan, Jing Yanbo Institute of Environmental Protection, Hunan University, Changsha 410082

出处《中国有色金属学会会刊：英文版》 CSCD 1997年第4期139-143,共5页 Transactions of Nonferrous Metals Society of China

关键词 LEAD BATTERY SLUDGE ACID electrolytic TREATMENT lead battery sludge acid electrolytic treatment

分类号 TF812.032 [冶金工程—有色金属冶金]

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中国有色金属学会会刊：英文版

1997年第4期

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ACID ELECTROLYTIC TREATMENT PROCESS OF SCRAP BATTERY SLUDGE 被引量：2

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