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Received February 10, 2004
Accepted April 28, 2004
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Pervaporation Characteristics of Polyetherimide/γ-Alumina Composite Membrane for a Quaternary Equilibrium Mixture of Acetic Acid-Ethanol-Ethyl Acetate-Water
Department of Chemical Engineering, University of Southern California, HED216, Los Angeles, CA90089-1211, California, USA
Korean Journal of Chemical Engineering, July 2004, 21(4), 882-889(8), 10.1007/BF02705534
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Abstract
Polyetherimide/γ-alumina composite membrane has been prepared by dipping method for further reactor application. Separation factors and permeances for a quaternary acetic acid-ethanol-ethyl acetate-water equilibrium feed mixture have been measured on the composite membrane in the range of temperature from 303 K up to 343 K and space time from 27 sec to 27,000 sec at a permeate-side pressure of 2.67 × 10-3 bar. Fluxes for the all four components increase as temperature inicreases due to the increase of free volume within polymer chains. Apparent activation energies have been measured for the four components. The flux change for acetic acid is the most sensitive on the temperature change. The composite membrane shows a good dehydration capability with reasonable separation characteristics, as well as thermal and mechanical stability in desired conditions.
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References
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Yoshida W, Cohen Y, J. Membr. Sci., 213(1-2), 145 (2003)
Zhu Y, Minet RG, Tsotsis TT, Chem. Eng. Sci., 51(17), 4103 (1996)
Chen G, Yuan Q, Sep. Purif. Technol., 34, 227 (2004)
Kim SG, Jegal JG, Lee KH, J. Korean Ind. Eng. Chem., 8(5), 853 (1997)
Lim SY, Park B, Hung F, Sahimi M, Tsotsis TT, Chem. Eng. Sci., 57(22-23), 4933 (2002)
Mulder MHV, "Basic Principles of Membrane Technology," Kluwer Academic Publishers, Dordrecht, The Netherlands (1996)
Muramatsu M, Okura M, Kuboyama K, Ougizawa T, Yamamoto T, Nishihara Y, Saito Y, Ito K, Hirata K, Kobayashi Y, Radiat. Phys. Chem., 68, 561 (2003)
Okamoto K, Tanihara N, Watanabe H, Tanaka K, Kita H, Nakamura A, Kusuki Y, Nakagawa K, J. Membr. Sci., 68, 53 (1992)
Park B, Ravi-Kumar VS, Tsotsis TT, Ind. Eng. Chem. Res., 37(4), 1276 (1998)
Park B, Tsotsis TT, Chem. Eng. Process., 43, 1171 (2004)
Park CH, Geng CQ, Korean J. Chem. Eng., 13(6), 612 (1996)
Prausnitz JM, Lixhtenthaler RN, Azevedo EG, "Molecular Thermodynamics of Fluid-Phase Equilibria," Prentice Hall, Inc., Englewood Cliffs, New Jersey (1986)
Qariouh H, Schue R, Bailly C, Polym. Int., 48, 171 (1999)
Song KM, Hong YK, Yu J, Hong WH, Korean J. Chem. Eng., 19(2), 290 (2002)
Spillman RW, Chem. Eng. Prog., Jan., 41 (1989)
Waldburger RM, Widmer F, Chem. Eng. Technol., 19(2), 117 (1996)
Wang XP, Shen ZQ, Zhang FY, Zhang YF, J. Appl. Polym. Sci., 73(7), 1145 (1999)
Won JM, Bae SY, Ha BH, Kim HT, Dumazawa H, Korean J. Chem. Eng., 13(3), 324 (1996)
Yeom CK, Dickson JM, Brook MA, Korean J. Chem. Eng., 13(5), 482 (1996)
Yoshida W, Cohen Y, J. Membr. Sci., 213(1-2), 145 (2003)
Zhu Y, Minet RG, Tsotsis TT, Chem. Eng. Sci., 51(17), 4103 (1996)
