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Adsorption of Pure Gases and Mixtures on Porous Solids up to High Pressures
Authors:Reiner Staudt  Alexander Herbst  Silvio Beutekamp  Peter Harting
Affiliation:(1) Center of Non-Classical Chemistry, the University of Leipzig, Permoserstr. 15, D-4318 Leipzig, Germany
Abstract:Physisorption equilibria of multicomponent gases on microporous solids like zeolites or activated carbons are considered. An overview about adsorption measurements of pure gases H2, He, O2, N2, Ar, CO2, CO, CH4, C2H4 and C2H6 and some of their mixtures in the pressure range vacuum < p < 50 MPa at different temperatures 10C–70C were investigated. Also a thermodynamic formalism based on a modified van Ness method and on a new 3 parameter Isotherm equation (3-PIG) to describe the excess amount adsorbed was developed. Results are shown and discussed. Dedication to the memory of W. Schirmer.
Keywords:excess adsorption  mixed gas adsorption  gravimetric measurement  van Ness method
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