Minimizing environmental effects in production and use of coal

Details Minimizing environmental effects in production and use of coal Minimizing environmental effects in production and use of coal

1977-12-05

1978-09-19

Novosad, Stephen J.

Wells

Processes

Using microorganisms

166259, 166261, 166266, 166258, 48DIG6, E21B 4324, E21B 4326, E21C 4300

Patent

active

041146883

ABSTRACT:
Coal gas is produced in situ using the techniques of gasification, liquefaction and pyrolysis. Normal effluents to the atmosphere are recycled in part to the underground reaction zone for conversion into commercial products. Contaminants to underground aquifers are captured and injected into the underground reaction zone for destruction and transformation into useful products.

REFERENCES:
patent: 2584605 (1952-02-01), Merriam
patent: 2695163 (1954-11-01), Pearce et al.
patent: 3283814 (1966-11-01), Schlicht et al.
patent: 3298434 (1967-01-01), Graham
patent: 3599714 (1971-08-01), Messman
patent: 3734180 (1973-05-01), Rhoades
patent: 3734184 (1973-05-01), Scott
patent: 3826308 (1974-07-01), Compere-Whitney
patent: 3999607 (1976-12-01), Pennington et al.

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