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Received November 14, 2005
Accepted December 11, 2005
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PVP 분리 수지에서 온도에 따른 당과 유기산의 체류 특성 변화
Temperature Effect on the Retention Behavior of Sugars and Organic Acids on poly (4-vinylpyridine) Resin
인하대학교 생물공학과, 402-701 인천시 용현동 253 1초정밀생물분리기술연구센터 생물공학과, 402-701 인천시 용현동 253
Department of Biological Engineering, Inha University, 253, Younghyun-dong, Nam-gu, Incheon 402-751, Korea 1ERC for Advanced Bioseparation Technology, Inha University, 253, Younghyun-dong, Nam-gu, Incheon 402-751, Korea
Korean Chemical Engineering Research, February 2006, 44(1), 35-39(5), NONE Epub 9 March 2006
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Abstract
본 실험에서는 모델 시스템으로써 PVP 수지에서 과당, 포도당과 같은 당 시료와 젖산, 아세트산과 같은 유기산을 사용하여 온도 변화에 따른 체류 시간의 변화 정도를 알아보았다. 펄스 시험을 사용하여 당 시료의 온도 변화에 따른 체류 시간 변화를 알아본 결과, 그 변화가 크지 않았다. PVP 수지는 일반적으로 당 분리에 사용되는 분리 수지가 아닌 사실에서 예측할 수 있듯이 현저히 떨어지는 분리능을 보였고, 온도 변화에 따른 분리능의 변화 또한 나타나지 않았다. 반면에, PVP 수지에서 유기산의 경우에는 상당한 변화를 보였다. 따라서, 유기산에 대한 정량적 흡착특성의 변화를 알아보기 위하여 35 ℃, 65 ℃ 온도에서 전단 분석하여 그 차이를 확인하였다. 이러한 온도에 대한 흡착특성은 SMB(simulated moving bed)와 같은 대규모 크로마토그래피 공정에 이용될 수 있을 것 으로 판단한다.
This study was performed to understand temperature effect on retention behavior of fructose and glucose as sugars and lactic acid and acetic acid as organic acids on poly (4-vinylpyridine) resin. The pulse tests were performed to understand temperature effect on retention time of sugars and the results were not shown large change. As it was able to predict with PVP resin not to be used for sugar separation generally, the results were shown poor resolution for separation of sugars and temperature effect on the resolution change of sugars also was not large. On the other hand, in the case of organic acids on PVP resin, the pulse tests were shown temperature effect on the retention behavior was very large. So, the frontal analyses were performed to understand quantitative adsorption behavior of organic acids at 35 and 65 ℃. These adsorption characteristics of organic acids with PVP resin system can be used to preparative chromatographic process such as SMB (simulated moving bed).
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