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本文研究了液膜提取过程中的萃取和反萃取两个过程，推出了在整个液膜体系达到萃取终了时的内外相氨基酸浓度比公式，并以ＴＯＭＡＣ 为载体萃取Ｌ－ 谷氨酸为例，讨论了影响液膜萃取的控制因素，实现了Ｌ－ 谷氨酸的有效回收
In this paper, two processes of extraction and back extraction in the process of liquid membrane extraction were studied, and the formula of amino acid concentration ratio inside and outside of the liquid membrane at the end of extraction was deduced. Taking L-glutamic acid extracted by TOMAC as an example, The influencing factors of liquid membrane extraction were discussed, and the effective recovery of L-glutamic acid was realized