程福祥;吴声;廖春生;严纯华;

• 1:五矿(北京)稀土研究院有限公司
• 2:北京大学稀土材料化学及应用国家重点实验室北京大学-香港大学稀土生物无机和材料化学联合实验室

摘要(Abstract)：

与传统流程中彼此独立的分离单元不同,联动萃取分离流程要求每一分离单元均通过横向或纵向衔接方式与其他分离单元联动运行。当两个分离单元横向衔接时,联动位置位于水相或有机相出口,彼此提供含有待分离组分的有机相或水相作为萃取有机相或洗涤液使用。以前文结论为基础,分别推导得到了无联动和出口联动(A_tA_(t-1)…A_2)/(A_(t-1)A_(t-2)…A_1)分离单元优化的基本关系式,包括水相进料、有机相进料和双相进料方式下中间组分Ai(2≤i≤t-1)最优切割方程、最小萃取量公式、最小洗涤量公式和混合萃取比方程等。

关键词(KeyWords)： 稀土;串级萃取理论;邻级杂质比;联动萃取;最小萃取量

Abstract:

Keywords:

基金项目(Foundation): 基金重大研究计划集成项目(91422302)资助

作者(Authors): 程福祥;吴声;廖春生;严纯华;

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