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Received July 29, 2003
Accepted September 22, 2003
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Kinetics of Gas Adsorption on Strongly Heterogeneous Solid Surfaces: A Statistical Rate Theory Approach
1Group for Theoretical Problems of Adsorption, Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 8 30-239 Krakow, Poland 2Department of Theoretical Chemistry, Faculty of Chemistry UMCS, pl. Marii Curie-Sklodowskiej 3, Lublin, 20-031, Poland
rudzinsk@hermes.umcs.lublin.pl
Korean Journal of Chemical Engineering, January 2004, 21(1), 206-211(6), 10.1007/BF02705400
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Abstract
A fundamental theoretical investigation is carried out on the applicability of the Condensation Approximation (CA) method of generalizing the theoretical description of the kinetics of gas adsorption/desorption on/from energetically heterogeneous solid surfaces. Our investigation implies that the commonly observed Elovich’s behavior is a consequence of carrying out kinetic experiments at conditions not far from equilibrium. This striking result seems to suggest that the applicability of that popular approximation deserves further fundamental study.
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References
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Rudzinski W, Panczyk T, Adsorption, 8, 23 (2002)
Rudzinski W, Panczyk T, Langmuir, 18(2), 439 (2002)
Rudzinski W, Panczyk T, J. Non-Equilibrium Thermodynamics, 27, 149 (2002)
Ryu YK, Lee SJ, Kim JW, Lee CH, Korean J. Chem. Eng., 18(4), 525 (2001)
Ward CA, Findlay RD, Rizk M, J. Chem. Phys., 76, 5599 (1982)
Do DD, "Adsorption Analysis: Equilibria and Kinetics," Imperial College Press, London (1998)
Elliott JA, Ward CA, J. Chem. Phys., 106(13), 5667 (1997)
Elliott JA, Ward CA, J. Chem. Phys., 106(13), 5677 (1997)
Elovich SY, Zabrova GM, Zh. Fiz. Khim., 13, 1775 (1939)
Jaroniec M, Madey R, "Physical Adsorption on Heterogeneous Solids," Elsevier, New York (1988)
Kharakorin FF, Elovich SY, Acta Physicochim. USSR, 5, 325 (1936)
Kim DJ, Shim WG, Moon H, Korean J. Chem. Eng., 18(4), 518 (2001)
Low MJD, Chem. Rev., 60, 267 (1960)
Panczyk T, Rudzinski W, Langmuir, 19(4), 1173 (2003)
Rudzinski W, Everett DH, "Adsorption of Gases on Heterogeneous Solid Surfaces," Academic Press, London (1992)
Rudzinski W, Panczyk T, "Surface Heterogeneity Effects on Adsorption Equilibria and Kinetics: Rationalisation of Elovich Equation," Surfaces of Nanoparticles and Porous Materials, Schwarz, J. and Contescu, C., eds., Dekker, New York (1999)
Rudzinski W, Panczyk T, J. Phys. Chem. B, 104(39), 9149 (2000)
Rudzinski W, Lee SL, Yan CCS, Panczyk T, J. Phys. Chem. B, 105(44), 10847 (2001)
Rudzinski W, Lee SL, Panczyk T, Yan CCS, J. Phys. Chem. B, 105(44), 10857 (2001)
Rudzinski W, Panczyk T, Adsorption, 8, 23 (2002)
Rudzinski W, Panczyk T, Langmuir, 18(2), 439 (2002)
Rudzinski W, Panczyk T, J. Non-Equilibrium Thermodynamics, 27, 149 (2002)
Ryu YK, Lee SJ, Kim JW, Lee CH, Korean J. Chem. Eng., 18(4), 525 (2001)
Ward CA, Findlay RD, Rizk M, J. Chem. Phys., 76, 5599 (1982)
