转炉渣富钴镍浸出液镍钴分离工艺研究
Nonferrous Metals(Extractive Metallurgy)(2013)
Abstract
以某厂镍电解生产净化工序氯气除钴产生的钴渣为氧化剂,除去转炉渣浸出液电积脱铜后液中的钴,实现转炉渣富钴镍浸出液中镍钴分离。结果表明,在钴渣含三价镍与钴量摩尔比为4~5,反应温度70~80℃,反应时间120min,终点pH 4.8~5的条件下,分离富集钴后的二次钴渣镍钴比可降为1~1.5,可用于生产钴产品。除钴后液可直接并入镍电解系统。
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Key words
separation of nickel and cobalt,cobalt chloration removing,cobalt slag,nickel electrolysis
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