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Characterization of porosity via secondary reactions [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1991.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: (28 pages) : digital, PDF file
Additional Creators
Brown University, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
During the course of recent work applying temperature programmed desorption (TPD) to the determination of energetic distributions of oxygen complexes on the surfaces of oxidized coal chars, we discovered that secondary interactions occurring within the char structure during TPD produce characteristic features in the resultant spectra that appear to be quite sensitive to char porosity. The relative and absolute extents of these secondary interactions from the basis of a potential characterization technique. The use of such a method to characterize coal char porosity is potentially attractive because the requisite spectra can be obtained in a single TPD experiment -- a very facile experimental procedure. However, the unambiguous and quantitative interpretation of such data in terms of parameters that can be used to characterize coal char porosity still requires development and an improved understanding of the controlling phenomena. These issues define the primary focus of the current proposal.
Report Numbers
E 1.99:doe/pc/91305-1
doe/pc/91305-1
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
01/01/1991.
"doe/pc/91305-1"
"DE92013026"
Lilly, W.D.; Calo, J.M.
Funding Information
FG22-91PC91305
View MARC record | catkey: 13841388