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在１０升混合室容积的多级混合澄清槽萃取器上，实施了溶剂萃取稀土分组生产过程的计算机闭环控制。在连续运行的五个月中，水相和有机相两个出口都稳定得到了９９．９９％纯度的产品。试验中发现基于模拟“分液漏斗法”串级萃取过程的数学模型进行的计算机仿真实验结果在萃取过程的动态响应上与混合澄清槽的实际情况有很大的差异，因此作者提出了模拟混合澄清槽萃取过程的数学模型。
A closed-loop computer control of the solvent extraction rare earth grouping process was performed on a multistage mixer-settler tank extractor with 10 liter mixing chamber volume. During the five months of continuous operation, both the aqueous and organic exits were stable with 99.99% pure product. It is found that the simulation results based on the mathematical model of the “split-funnel” cascade extraction process are quite different from the actual situation of the mixed clarification tank in the dynamic response of the extraction process. Therefore, Mathematical model of clarification tank extraction.