Application of NRTL activity coefficient model to describe the kinetics of gas adsorption
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AbstractThe Non-Random Two-Liquid activity coefficient model is applied to describe the kinetics of pure gas adsorption on energetically heterogeneous solid surfaces. The surface energetic heterogeneity has been represented by the Gaussian-like function of the adsorption energy distribution. Two different kinetic isotherms have been presented. One of them, determined by using the statistical rate theory, has been critically discussed. The applicability of the presented approach has been demonstrated by a quantitative analysis of two sets of experimental data previously reported in the literature.
2004 ◽
Vol 21
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pp. 206-211
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2005 ◽
Vol 109
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pp. 21868-21878
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2000 ◽
Vol 104
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pp. 9149-9162
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2002 ◽
Vol 106
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pp. 7846-7851
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2006 ◽
Vol 8
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pp. 3782
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2001 ◽
Vol 105
(29)
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pp. 6858-6866
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2010 ◽
Vol 256
(23)
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pp. 7289-7299
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2000 ◽
Vol 104
(9)
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pp. 1984-1997
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