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D2EHPA를 담체로 사용한 유화액막에 의한 아미노산 농축의 연속 공정개발
Continuous Process Development of Amion Acid Concentration by Liquid Emulsion Membrane Technique with a Cationic Extractant
HWAHAK KONGHAK, April 1993, 31(2), 212-221(10), NONE
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Abstract
D2EHPA를 담체로 사용한 양이온 형태로의 아미노산 농축공정을 개발하였으며 아미노산의 회수율, 농축도, 액막의 안정성 등을 고려하여 조업조건을 최적화하였다. 개발된 공정을 사용하여 초기농도 3.6%의 발효액을 17%이상까지 농축하였으며 전기적 해유화 공정에 의하여 해유화된 액막상의 재사용이 가능하였다. 또한 폐액으로 배출되는 발효액의 농도를 0.15%까지 줄이는 단순 연속 공정을 제안하였다.
A continuous process of amino acid concentration by liquid emulsion membrane with a cationic extractant, D2EHPA, was developed and optimized with respect to the yield of amino acid, the degree of concen-tration, and membrane stability. Liquid emulsion membrane obtained from the demulsification of the emulsion could be reused without any problem. It was possible to concentrate the fermentation broth of initial concentra-tion of 3.6% up to 17%. A simple and continuous process was proposed to reduce the amino acid concentration of fermentation broth down to 0.15%.
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