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U.S. Department of Energy
Office of Scientific and Technical Information

Reactions governing coal solubilization. Fifth quarterly report, July 15-October 15, 1984

Technical Report ·
OSTI ID:6007990
The number of alkyl groups added to the macerals of PSOC-828 coal in the O-alkylation procedure has been calculated. Exinites and vitrinites are alkylated to nearly the same degree while less alkyl groups are added to inertinites. Sink-float procedures on two hvA bituminous coals have yielded large quantities of pure exinite fractions. Alkylation in presence of a phase transfer catalyst was carried out for various rank coals. The solubility of the coals before and after alkylation was determined using pyridine as the solvent. Elemental analysis for the various reaction products of PSOC-1197 and Texas lignite were obtained. Aromaticity and acidity determinations of the reduction products of PSOC-1197 and Texas lignite was also carried out. The solubility of the alkylation product reaches a maximum for the hvab coal with about 88% carbon. 27 references, 5 figures, 9 tables.
Research Organization:
Chicago Univ., IL (USA)
DOE Contract Number:
FG22-83PC60796
OSTI ID:
6007990
Report Number(s):
DOE/PC/60796-5; ON: DE85004131
Country of Publication:
United States
Language:
English