Comparative Studies of the Micropore Size Distributions of an Alumina Pillared Montmorillonite and a Molecular Sieve Carbon |
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Authors: | A Gil G Yu Cherkashinin |
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Institution: | (1) 31006 Pamplona, Spain;(2) Omsk Department of Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, Neftezavodskaya Str. 54, 644040 Omsk, Russia |
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Abstract: | The aim of this work is to applicate and to compare various analysis methods for the characterization of the microporous structure from nitrogen adsorption at 77 K of an alumina pillared montmorillonite and a molecular sieve carbon. The adsorption potential distribution (X(A)), the Horvath-Kawazoe (HK) method, the Jaroniec-Gadkare-Choma (JGC) one and a numerical algorithm for the reconstruction of the micropore size distribution (MPSD) from the adsorption equilibrium isotherm have been applied. Comparison of all distributions revealed that the molecular sieve carbon shows smaller micropores and smaller structural hetereogeneity than the alumina pillared montmorillonite. |
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Keywords: | micropore size distribution molecular sieve carbon alumina pillared montmorillonite |
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