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季铵盐对钴(Ⅱ)和锰(Ⅱ)的萃取分离
Authors
周学玺
朱屯
许新
马驰骋
Publication date
1 January 2000
Publisher
Abstract
研究了用季铵盐从含氯化钠接近饷的溶液中萃取分离二价金属离子钴、铁、锰的方法。实验结果表明,以含少量异辛醇改性剂的季铵氯化物的煤油溶液为萃取剂,萃取时尽管有15%~20%的二价锰和钴一起被萃取,介通过「两级洗涤可将负荷有机相中的锰降低到0.02g/L以下,经三级洗涤除锰即可达到钴、锰分离。钴的回收率可达98%,负荷有机相中钴锰含量比大于300
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Last time updated on 11/04/2021