By W. Rudzinski, D. H. Everett
ISBN-10: 0080984363
ISBN-13: 9780080984360
ISBN-10: 0126016909
ISBN-13: 9780126016901
All actual sturdy surfaces are heterogeneous to a better or lesser volume and this e-book offers a huge but particular survey of the current kingdom of gasoline adsorption. insurance is complete and extends from uncomplicated rules to computing device simulation of adsorption. Underlying innovations are clarified and the strengths and weaknesses of a number of the equipment defined are mentioned. Key gains* Adsorption isotherm equations Read more...
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Extra resources for Adsorption of Gases on Heterogeneous Surfaces
Sample text
49) Later Hill36 generalised the quasi-chemical treatment so that squares of neighbouring sites are considered to be in equilibrium. An alternative treatment of the quasi-chemical approximation was given by Rushbrooke and Scoins,37 and is based on the use of the grand canonical partition function. The first exact solution of the two-dimensional Ising problem was given by Onsager38 who, in 1944, developed a method based on group theory. A few years later Kaufm an39 simplified Onsager’s method, using spinor analysis, and in 1952 Kac and W ard40 provided an even simpler approach in the sense that no detailed algebraic knowledge is required other than that of the properties of determinants.
H. Everett, Thermochim. Acta, 4 1 ,311 (1980). 22. G. L. Kington & J. G. Aston, J. Am. Chem. , 75, 1929 (1951). 23. J. A. Morrison, J. M. Los & L. E. Drain, Trans. , 4Π, 1023 (1951). 24. D. H. Everett, Proc. Chem. Soc. London, 1957, 38. 25. W. A. Steele, The Interaction of Gases with Solid Surfaces, Pergamon, Oxford, 1974, Chap. 2. 26. C. Sanford & S. Ross, J. Phys. , 582, 88 (1954). 27. J. C. P. Broekhoff & R. H. van Dongen, in Physical and Chemical Aspects of Adsorbents and Catalysts, B. G. ), Academic Press, London, New York, 1970, Chap.
The canonical partition function of the system will be Q( Τ, Μ, N), since the system is characterised by these variables. 1) where g(M, N, Nl l ) is the number of configurations containing N xx adjoining pairs. One may also introduce a new variable, iV01, which is the number of adjoining pairs of sites in which one is empty and the other occupied. For an arbitrary lattice of coordination number c the following relationships hold: cN = 2N11 + N01, c ( M — N) = 2N00 + N01. 4) where g{M, N, N01) denotes the number of configurations with N01 pairs of half-occupied adjacent pairs.
Adsorption of Gases on Heterogeneous Surfaces by W. Rudzinski, D. H. Everett
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