Combination air-blown and oxygen-blown underground coal gasifica

Details Combination air-blown and oxygen-blown underground coal gasifica Combination air-blown and oxygen-blown underground coal gasifica

1985-12-05

1987-05-05

Novosad, Stephen J.

Wells

Processes

In situ combustion

166251, 48210, C10B 5720

Patent

active

046624430

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.

REFERENCES:
patent: 3044545 (1962-07-01), Tooke
patent: 3237689 (1966-03-01), Justheim
patent: 3892270 (1975-07-01), Lindquist
patent: 4087130 (1978-05-01), Garrett
patent: 4089372 (1978-05-01), Terry
patent: 4099567 (1978-07-01), Terry
patent: 4114688 (1978-09-01), Terry
patent: 4185692 (1980-01-01), Terry
patent: 4243101 (1981-01-01), Grupping
patent: 4356866 (1982-11-01), Savins
patent: 4476927 (1984-10-01), Riggs

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