Process for in situ coal gasification
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United States of America Patent
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-
Apr 15, 1980
Grant Date -
N/A
app pub date -
May 9, 1978
filing date -
May 9, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In situ coal gasification to form a methane rich gas is carried out by injecting a lower aliphatic alcohol such as methanol into a coal seam, raising the temperature to cause dissociation of the alcohol and injecting water into the same. Nascent hydrogen is produced which reacts with the coal to form methane. The product gas may also contain hydrogen and carbon monoxide which can be separated and reacted to form methanol.
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