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Received December 3, 2004
Accepted March 7, 2005
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전기투석에 의한 유기산 혼합물로부터 숙신산의 분리
Separation of Succinic Acid from Organic Acid Mixture Using Electrodialysis
홍익대학교 과학기술대학 화학시스템공학과, 337-701 층남 연기군 조치원읍 신안리 34
Department of Chemical System Engineering, Hongik University, 34, Shinan-ri, Jochiwon, Yeongigun, Chungnam 339-701, Korea
bclee@hongik.ac.kr
Korean Chemical Engineering Research, April 2005, 43(2), 266-271(6), NONE Epub 9 May 2005
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Abstract
혼합유기산으로부터 숙신산의 분리를 단극 분리막을 사용한 탈염전기투석장치를 이용하여 행하였다. 전류효율, 회수율, 에너지소요량, 분리비 등의 변화를 pH 값과 초기농도비에 따라 측정하였다. 숙신산의 분리는 숙신산과 아세트산의 이온화율, 분자량, 이온전도도, 전자가 크기 그리고 초기농도비 등으로 해석될 수 있었다.
This paper studied succinic acid recovery from organic acid mixture by using mono-polar membrane electrodialysis. Current efficiency, solute recovery efficiency, energy consumption, and separation factor were measured at various pHs and concentration ratios. The separation factor of succinic acid could be interpreted in terms of ionization degree, molecular weight, ionic conductance, average charge, and initial feed composition.
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