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Molecular accessibility in oxidized and dried coals. Quarterly report, January 1995--March 1995 [electronic resource].

Published:
Washington, D.C. : United States. Dept. of Energy, 1995.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
6 pages : digital, PDF file
Additional Creators:
University of Alabama. Department of Chemistry, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
The objective of this research project is to determine the molecular and structural changes that occur in swelled coal as a result of oxidation and moisture loss both in the presence and absence of light using our newly developed EPR spin probe method. The proposed study will make it possible to deduce the molecular accessibility distribution in swelled, oxidized APCS coal for each rank as a function of (1) size (up to 6 nm) and shape, (2) the relative acidic/basic reactive site distributions, and (3) the role of hydrogen bonding as a function of swelling solvents. The advantage of the EPR method is that it permits molecules of selected shape, size and chemical reactivity to be used as probes of molecular accessible regions of swelled coal. From such data an optimum catalyst can be designed to convert oxidized coal into a more convenient form and methods can be devised to lessen the detrimental weathering processes.
Report Numbers:
E 1.99:doe/pc/93202--6
doe/pc/93202--6
Subject(s):
Other Subject(s):
Note:
Published through SciTech Connect.
03/01/1995.
"doe/pc/93202--6"
"DE95015510"
Kispert, L.D.
Funding Information:
FG22-93PC93202
View MARC record | catkey: 13836681