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Received February 9, 2004
Accepted April 2, 2004
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Effects of Adsorbate Properties on Adsorption Mechanism in a Carbon Molecular Sieve
Dept. of Chem. Eng., Yonsei University, Seoul 120-749, Korea 1Department of Chemical Engineering, University College London, London, UK
Korean Journal of Chemical Engineering, May 2004, 21(3), 712-720(9), 10.1007/BF02705510
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Abstract
The adsorption characteristics of six pure components (N2, O2, Ar, CO, H2, and CH4) on a CMS were studied over a wide pressure range up to 15 atm by using a volumetric method. Despite only relatively small differences in the kinetic diameters of the probe molecules used, very large differences in the magnitude of apparent time constants were observed. The adsorption kinetic characteristics of six components on the CMS were affected by the relative importance of atomic/molecular size, shape, and polar properties. Especially, the interaction properties of adsorbate molecules were proposed as an important factor to estimate the relative adsorption rate.
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Do DD, "Adsorption Analysis," Imperial College Press, London (1988)
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Gupta R, Farooq S, "Numerical Simulation of a Kinetically Controlled Bulk PSA Separation Process Based on a Bidisperse Pore Diffusion Model," In Proceedings of the 8th APCChE Congress, 3, 1753 (1999)
Kaneko K, Colloids Surf. A: Physicochem. Eng. Asp., 109, 319 (1996)
Kapoor A, Yang RT, Chem. Eng. Sci., 44, 1723 (1989)
Kim BH, Kum GH, Seo YG, Korean J. Chem. Eng., 20(1), 104 (2003)
Micke A, Bulow M, Kocirik M, J. Phys. Chem., 98(3), 924 (1994)
Okoye IP, Benham M, Thomas KM, Langmuir, 13(15), 4054 (1997)
Panczyk T, Rudzinski W, Korean J. Chem. Eng., 21(1), 206 (2004)
Park IS, Korean J. Chem. Eng., 19(6), 1001 (2002)
Reid CR, Thomas KM, Langmuir, 15(9), 3206 (1999)
Reid CR, O'koye IP, Thomas KM, Langmuir, 14(9), 2415 (1998)
Ross S, Oliver JP, "On Physical Adsorption," Interscience, New York (1964)
Rutherford SW, Do DD, Langmuir, 16(18), 7245 (2000)
Ruthven DM, Ragahavan NS, Hassan MM, Chem. Eng. Sci., 41, 1325 (1986)
Ruthven DM, Chem. Eng. Sci., 47, 4305 (1992)
Rynders RM, Rao MB, Sircar S, AIChE J., 43(10), 2456 (1997)
Smith JM, vanNess HC, Abbott MM, "Introduction to Chemical Engineering Thermodynamics," McGraw-Hill, Singapore (1997)
Srinivasan R, Auvil SR, Schork JM, Chem. Eng. J., 57, 137 (1995)
Suzuki M, "Adsorption Engineering," Elsevier, Japan (1990)
Talu O, Kabel RL, AIChE J., 33, 510 (1987)
Yang JY, Lee CH, AIChE J., 44(6), 1325 (1998)
Yang J, Park MW, Chang JW, Ko SM, Lee CH, Korean J. Chem. Eng., 15(2), 211 (1998)
Yang RT, "Gas Separation by Adsorption Process," Butterworths, Boston (1987)
Yuxun Y, Farooq S, "Sorption and Diffusion of Oxygen and Nitrogen in a Carbon Molecular Sieve," FOA6, Elsevier, 1243 (1998)
