...中钇矿； 萃取工艺； 萃取预分离法； 稀土[gap=1528]Key words: middle Y and rich Eu mineral; extraction separation process; pre-separation extraction method; rare earth..
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The extraction separation process for zirconium and hafnium with MIBK was briefly reviewed in this paper.
简要评述了用甲基异丁基酮（ MIBK） 萃取分离锆铪方法的基本原理、分离工艺和条件、萃取设备。
In the first method we make use of oxidation-reduction to adopt iodine reclaiming process of separation, extraction and sublimation from waste iodine liquid.
第一种方法是利用氧化还原反应，采用分离、萃取、升华等工序回收废碘液中碘的工艺。
Membrane extraction process is a new separation technology which combines liquid-liquid extraction with membrane process.
膜萃取是膜过程与液液萃取过程相结合的一种新型分离技术。
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