期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 262, 期 2, 页码 603-607出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/S0021-9797(03)00066-3
关键词
Dubinin-Astakhov equation; micropore size distribution; modified carbon molecular sieve; nitrogen adsorption; regularization method
A new method for the characterization of the pore size distribution of microporous solids is applied on data obtained for activated carbon molecular sieve samples. In this method, based on the Dubinin-Astakhov equation, a simple numerical algorithm is used for the reconstruction of the micropore size distribution from the integral equation that represents the experimental nitrogen adsorption isotherm. The results are compared with the ones obtained on the basis of the well-known Howrvath-Kawazoe method. The samples used in this study come from a carbon molecular sieve that has been treated with solutions of concentrated HNO3 at various temperatures and with solutions of H2O2 of various concentrations. (C) 2003 Elsevier Science (USA). All rights reserved.
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