Conversion of bituminous coal in [formula omitted] systems: 2. pH Dependence

Under COH2O systems at initial pH values s> 12.6, an Illinois No. 6 coal, PSOC-26, was converted to a fully pyridine-soluble product, with benzene and hexane solubilities of 50% and 18%, respectively. The product gases were H2 and CO2. However, the expected H2CO2 ratio of 1.0 based on the water g...

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Bibliographic Details
Published in:Fuel (Guildford) 1984-09, Vol.63 (9), p.1206-1210
Main Authors: Ross, David S., Blessing, James E., Nguyen, Quyen C., Hum, Georgina P
Format: Article
Language:English
Subjects:
coal
liquefaction
water gas shift reactions
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Summary:Under COH2O systems at initial pH values s> 12.6, an Illinois No. 6 coal, PSOC-26, was converted to a fully pyridine-soluble product, with benzene and hexane solubilities of 50% and 18%, respectively. The product gases were H2 and CO2. However, the expected H2CO2 ratio of 1.0 based on the water gas shift reaction was not observed, but the deficit in hydrogen was found in the increased hydrogen content of the coal product. 95% coal carbon recovery and good hydrogen balances were obtained, and the coal products were found to be very similar to those from conventional tetralin systems. The results suggest an efficient base-catalysed process, and that COH2O systems are useful for coal studies.
ISSN:0016-2361
1873-7153
DOI:10.1016/0016-2361(84)90425-3