Biological desulfurization of coal
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United States of America Patent
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Apr 21, 1987
Grant Date -
N/A
app pub date -
May 18, 1983
filing date -
May 18, 1983
priority date (Note) -
Expired
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Abstract
A process for the preparation of microorganisms, ATCC No. 39327 which are capable of reproducible reduction of sulfur, particularly organic sulfur, in coal wherein the novel microorganisms are grown in situ enriched with sulfur compounds and subsequently grown in the presence of a coal substrate and nutrient medium while maintaining an essentially neutral pH. Contacting an aqueous coal slurry with the novel microorganism of the present invention provides coal having reduced organic sulfur content.
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