Coal gasification process

Details Coal gasification process Coal gasification process

1979-08-27

1981-03-24

Kratz, Peter F.

Gas: heating and illuminating

Processes

Coal, oil and water

48201, 48206, C10J 316

Patent

active

042577829

ABSTRACT:
An improvement in the fixed-bed pressure gasification of coal is described. The improvement includes removing at least a portion of the hydrocarbon (e.g., tar) from the raw gaseous fuel produced in the gasification process and introducing the the removed hydrocarbon directly into the interior of the coal bed below the devolatilization zone and at or above the maximum-temperature location in the bed.

REFERENCES:
patent: 2194574 (1940-03-01), Snyder
patent: 2281562 (1942-05-01), Ditto et al.
patent: 3540867 (1970-11-01), Baron et al.
patent: 4098586 (1978-07-01), Woodmansee
patent: 4150953 (1979-04-01), Woodmansee

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