Modification of the structure of an active carbon by heat treatment

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Abstract

A series of active carbons was prepared by combination of activation (by steam, at 1173 K) and by heat treatment (at 1523 K, 2h under nitrogen) and the structures of the samples were investigated by gas adsorption (nitrogen adsorption isotherms) and by X-ray scattering. An agreement is observed between the average chord length of segments in the solid phase measured by SAXS and the average micropore size determined by gas adsorption, suggesting that the diameters of micropores formed during the activation and the heat treatment have nearly the same size as the crystallites.

Original languageEnglish
Pages (from-to)635-637
Number of pages3
JournalJournal of Applied Crystallography
Volume24
Issue numberpt 5
DOIs
Publication statusPublished - Oct 1 1991
Event8th International Conference on Small-Angle Scattering - Leuven, Belg
Duration: Aug 6 1990Aug 9 1990

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ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

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