CONCENTRATION OF AMINO-ACIDS BY A LIQUID EMULSION MEMBRANE WITH A CATIONIC EXTRACTANT

被引：41
|
作者：
HONG, SA
CHOI, HJ
NAM, SW
机构：
[1] Division of Process Engineering, Korea Institute of Science and Technology, Cheongryang
来源：
JOURNAL OF MEMBRANE SCIENCE | 1992年 / 70卷 / 2-3期
关键词：
LIQUID EMULSION MEMBRANE; AMINO ACID CONCENTRATION; CATIONIC EXTRACTANT; DEMULSIFICATION; MEMBRANE STABILITY;
D O I：
10.1016/0376-7388(92)80108-V
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The concentration of L-phenylalanine in a liquid emulsion membrane system was studied using a cation complexing agent, di-2-ethylhexyl phosphoric acid (D2EHPA), as a carrier. The membrane formulation, the pH in the internal phase and the acid concentration in the external phase were optimized with respect to concentration performance and membrane stability. It was found that a liquid emulsion membrane obtained by demulsification of the emulsion by an electrostatic coalescer could be reused. Based on the laboratory tests, a continuous multistage process for the concentration of amino acids was proposed (with the development of a commercial process in mind) and its technical feasibility was discussed.
引用
收藏
页码：225 / 235
页数：11
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