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Studies on the Ineffective Separation Zone in the Extraction Cascade for Separating Rare Earths
Author(s): 
Pages: 1-7
Year: Issue:  6
Journal: Chinese Rare Earths

Keyword:  rare earthextraction cascadecomputer simulationineffective separation zone;
Abstract: 根据恒定混合萃取比分馏萃取体系的稳态平衡特点,推导出了关联体系萃取量S、洗涤量W的表达式,并确定了体系萃余分数Φ和萃取分数1-Φ与料液组成f_A、f_B及两相出口产品纯度(P_(A_(n+m))、P_(B_1))的关系式.通过理论分析和计算机模拟对稀土串级萃取过程中出现的"无效区"现象进行了研究,揭示了这一现象的出现与体系自身特性和所采用的操作参数之间的内在联系.
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