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用普通分馏萃取工艺分离物质一次只能分离两个组份,若连续分离多种物质,则需很长工艺流程.文献[1]报导了用N_(26?)萃取分离La-Pr-Nd的三出口串级实验结果.本文报导用氨化HEH(EHP)同时萃取分离Gd-Tb-Dy的串级试验结果.
It takes a long time to separate the two components by the ordinary fractionation and extraction process, and the continuous separation of many substances requires a long process [1] reported that extraction of La-Pr-Nd by N 26 extraction Three exit cascade experimental results.This paper reports the tandem test results of Gd-Tb-Dy separation by simultaneous extraction with ammoniated HEH (EHP).