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Characteristics of lithium extraction with tributyl phosphate/methyl-isobutyl ketone
Author(s): TAN Yuan-zhong, QIN Wei
Pages: 26-
28,33
Year: 2011
Issue:
10
Journal: Chemical Engineering
Keyword: 锂; 磷酸三丁酯; 甲基异丁基酮; 协同萃取;
Abstract: 为从含有Li和Mg的水溶液中选择性地萃取Li,在FeCl3存在的条件下,以磷酸三丁酯(TBP)为萃取剂,以煤油为稀释剂,在萃取平衡时出现第3相的情况下研究了有机相中Li和Fe的浓度,结果表明萃合物主要集中在中间有机相.针对萃取过程中的分相问题,以TBP为萃取剂,比较了甲基异丁基酮(MIBK)、乙酸乙酯和煤油作为稀释剂对Li的分配系数以及Li,Mg分离因子的影响.结果表明:TBP/MIBK体系对Li...
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