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Ce4+ Extraction Mechanism from RE Sulfate Solution Containing Fluorine with DEHPA
被引：0
作者：
LONG Zhi-qi
机构：
关键词：
DEHPA;
rare earth;
cerium;
solvent extraction;
fluorine;
D O I：
暂无
中图分类号：
O614.332 [];
学科分类号：
070301 ;
081704 ;
摘要：
RE sulfate solution containing fluorine is obtained from bastnasite which is roasted in air and then leached with sulfuric acid. Solvent extraction of Ce4+ with DEHPA in sulphonating kerosene from the solution is investigated. It is found that fluorine ion is extracted into organic phase with Ce4+. The extraction mechanism is proposed by slope analysis and studying the influence of aqueous acidity, fluorine concentration and DEHPA concentration on CF- /cC4+ in equilibrium organic phase.
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页码：61 / 61
页数：1
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