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Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received December 18, 2000
Accepted August 14, 2001

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Water Enhanced Solubilities of Succinic Acid in Reactive Extraction Using Tertiary Amines/Alcohols Systems

Yeon Ki Hong^† Dong Hoon Han¹ Won Hi Hong

Department of Chemical Engineering, Korea Advanced Institute of Science and Technology, 373-1, Guseong-dong, Yuseong-gu, Daejeon 305-701, Korea ¹Hyundai Engineering Co., Ltd., Hyundai 41 tower, 917-9,Mok 1-dong, Yangcheon-gu, Seoul 158-723, Korea

whhong@mail.kaist.ac.kr

Korean Journal of Chemical Engineering, January 2002, 19(1), 83-86(4), 10.1007/BF02706878

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Abstract

Tertiary amines were used as the extractants for reactive extraction in alcoholdiluents. Equilibrium and hydration data for various alcohol diluents and tertiary amines were obtained. From these data, the effect of coextracted water on extractability was investigated. For the measurement of the water-enhanced solubilities of succinic acid, the sensitivity index was introduced. The amount of coextracted water into organic phase was increased with the chain_x000D_ length of alcohol diluents. However, the water-enhanced solubility of succinic acid was almost constant with the chain length of alcohol diluents. The sensitivity indices were proportional to the chain length of tertiary amines; thus, the water-enhanced solubilities of succinic acid were increased.

Keywords

Amine Chain Length Extraction Succinic Acid Water Solubility

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