Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 13    No. 5    October 2003

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Recycling of valuable metals from
spent zinc-manganese batteries
by vacuum metallurgy
CHEN Wei-liang(陈为亮)1,2, CHAI Li-yuan(柴立元)2,
MIN Xiao-bo(闵小波)2,PENG Bing(彭 兵)2,
ZHANG Chuan-fu(张传福)2, DAI Yong-nian(戴永

1. Institute of Vacuum Metallurgy and Materials,
Kuming University of Science and Technology, Kuming 650093, China;
2. School of Metallurgical Science and Engineering,
Central South University, Changsha 410083, China

Abstract:At the total chamber pressure of 1.01×101Pa, Hg, Cd and Zn were distilled at 773-973K from spent zinc-manganese batteries, Pb was volatilized at 1173-1273K while Mn, Cu, Fe and C were remained in the residual. MnO2 and ZnO were reduced by carbon in spent dry-batteries at 773-1273K. Pure metals including Zn, Cd, Hg and Pb were recovered respectively from their mixed vapor by fractional condensation.

 

Key words: spent dry-batteries; recycling; vacuum metallurgy

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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