Combination air-blown and oxygen-blown underground coal gasification process
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United States of America Patent
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May 5, 1987
Grant Date -
N/A
app pub date -
Dec 5, 1985
filing date -
Dec 5, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Use of an air-blown underground coal gasification plant to produce low-Btu gas thereby providing boiler fuel needed for an oxygen-blown underground coal gasification plant. The product from the oxygen-blown plant can be used for the production of synthetic natural gas or other uses. A preferred production gasification is also shown.
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