Virial Analysis of the Adsorption of Trifluorochloromethane and Methane by Microporous Carbons and Zeolites

Adsorption isotherms of trifluorochloromethane (CF 3 Cl) and methane have been determined on a number of microporous carbons and zeolites over a range of temperatures. Analysis of the data by means of the virial equation leads, in most cases, to limiting isosteric heats of adsorption in good agreeme...

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Bibliographic Details
Main Authors: P.J.M. Carrott, K.S.W. Sing
Format: Article
Language:English
Published: SAGE Publishing 1989-09-01
Series:Adsorption Science & Technology
Online Access:https://doi.org/10.1177/026361748900600303
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Summary:Adsorption isotherms of trifluorochloromethane (CF 3 Cl) and methane have been determined on a number of microporous carbons and zeolites over a range of temperatures. Analysis of the data by means of the virial equation leads, in most cases, to limiting isosteric heats of adsorption in good agreement with gas chromatographic measurements. A discrepancy found in the case of zeolite 13X is interpreted in terms of specific adsorbate–adsorbent interactions. It is also shown that the shape of the virial plots can provide useful information about the nature of the adsorbent pore structure and the mechanism of pore filling.
ISSN:0263-6174
2048-4038