RECOVERING COAL IN SLURRY FORM

A method of in-situ coal recovery in slurry form from a coal deposit by first contacting the coal with a gaseous mixture of an oxygen-containing gas containing vaporized NO2, then with an aqueous alkaline solution to slurry the coal, and then recovering the slurried coal from the deposit.

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Bibliographic Details
Main Author B.W. DAVIS
Format Patent
LanguageEnglish
Published 19.11.1981
Subjects
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Summary:A method of in-situ coal recovery in slurry form from a coal deposit by first contacting the coal with a gaseous mixture of an oxygen-containing gas containing vaporized NO2, then with an aqueous alkaline solution to slurry the coal, and then recovering the slurried coal from the deposit.
Bibliography:Application Number: AU19780039613