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Received October 3, 2012
Accepted April 23, 2013
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A study on reactive extraction equilibrium between acetic acid and bis-succinimide of C9232
Department of Chemical Engineering, Kunsan National University, Miryong-dong, Kunsan, Jeonbuk 573-701, Korea
lee40f@kunsan.ac.kr
Korean Journal of Chemical Engineering, July 2013, 30(7), 1454-1457(4), 10.1007/s11814-013-0065-0
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Abstract
C9232 is a typical emulsifier of emulsion liquid membrane and its main component, bis-succinimide, has amine functional groups which react with carboxylic acids. The average numbers of secondary amine groups and isobutylene units in the bis-succinimide were determined through elemental analysis. Acetic acid was extracted by emulsion liquid membrane with use of C9232, and we verified that C9232 was suitable for its extractant in the emulsion liquid_x000D_
membrane systems. Equilibrium experiments for reactive extraction of acetic acid by C9232 were carried out by varying the overall acetic acid concentration and overall C9232 concentration in liquid-liquid extraction systems. Also, an equilibrium model for the reactive extraction of acetic acid was investigated for the purpose of analyzing the emulsion liquid membrane systems for separation of acetic acid from other carboxylic acids or sugars in the future. The calculated results from the equilibrium model were in good agreement with the experimental data.
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References
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Wu G, Zhang Z, Lockwood FE, McCoy SM, Smith TR, US Patent, 20,100,022,422 (2010)
Yordanov B, Boyadzhiev L, J. Membr. Sci., 238(1-2), 191 (2004)
Lee SC, J. Ind. Eng. Chem., 14(2), 207 (2008)
Lee SC, Hyun KS, J. Membr. Sci., 350(1-2), 333 (2010)
Hyun KS, Separation of succinic acid and acetic acid by emulsion liquid membrane, M.S. Thesis (2009)
Lee SC, J. Membr. Sci., 381(1-2), 237 (2011)
Moon SR, Chae JH, Park MH, Hong JH, Lee SC, Theories Applications Chem. Eng., 17(1), 297 (2011)
Menon VB, Wasan DT, Encyclopedia of emulsion technology, Vol. 2. Applications, Marcel Dekker, Inc., New York & Basel (1985)
Pettersson A, Tribology International., 40, 638 (2007)
The Petroleum HPV Testing Group, Lubricating oil basestocks category, EPA Test plan (2004)
Mach H, Rath P, Lubrication Sci., 11(2), 175 (1999)
Leepipatpiboon N, Pancharoen U, Ramakul P, Korean J. Chem. Eng., 30(1), 194 (2013)
Lee SC, Chang JH, Ahn BS, Lee WK, J. Membr. Sci., 149(1), 39 (1998)
Perrin DD, Dempsey B, Buffers for pH and metal ion control, Chapman and Hall, London (1974)
