因此本文主要探讨了用离子交换法分离ala的工艺。
So this dissertation will pay attention to the process of separating ALA from fermentation broth.
目的：利用有机膜过滤和离子交换法分离提取发酵液中的L-缬氨酸。
Objective:Using organic membrane filtration and ion exchange to extract L-valine from the fermentation broth.
简要介绍了离子交换法分离钴镍离子技术工艺的特点，重点阐述了各种树脂在钴镍离子回收的实践和科研中进展情况。
The current conventional methods have chemical precpitation, extraction and ion-exchange resin, in which the ion-exchange resin is the better method.
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