Extraction and Separation of Thorium and Ytterbium with Bis(2,4,4-Trimethylpentyl) Phosphinic Acid Using a Hollow Fiber Membrane Extractor

被引：2
|
作者：
张凤君
罗芳
李德谦
吴庸烈
机构：
来源：
JournalofRareEarths | 2000年 / 04期
关键词：
rare earths; ytterbium; thorium; hollow fibber membrane; transfer; bis(2,4,4 trimethylpentyl) phosphinic acid;
D O I：
暂无
中图分类号：
O614 [金属元素及其化合物];
学科分类号：
070301 ; 081704 ;
摘要：
The based membrane extraction of Th 4+ and Yb 3+ was studied in HBTMPP heptane using a hollow fibber membrane. The separation method of Th 4+ and Yb 3+ was proposed by kinetics competition. The separation operation of Th 4+ and Yb 3+ mixture was carried out by two successive extraction and stripping simultaneously. The concentration ratio of Th 4+ to Yb 3+ is 16 74 in the stripping solution. The recovery and purity of Th 4+ are 71 6% and 95 74% respectively.
引用
收藏
页码：262 / 264
页数：3
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