Coal gasification

Details Coal gasification Coal gasification

1980-04-29

1982-05-04

Kratz, Peter F.

Gas: heating and illuminating

Processes

Coal and water

48210, 252373, 376325, C10J 310, C10J 314, C10J 318

Patent

active

043280099

ABSTRACT:
Generating methane or synthesis gas from carbon-containing materials, e.g. coal, by reacting part of the carbon with hydrogen in a hydrogenating gasifier to produce a methane containing gas, and reacting the residual carbon with steam in a steam gasifier to produce a raw gas containing synthesis gas, which latter may be converted to hydrogen and directed to the hydrogenation gasifier or may at least in part be used as a product. The steam gasifier is heated with raw gas leaving the hydrogenating gasifier. The hydrogen gas entering the hydrogenation gasifier is heated with the raw gas leaving the steam gasifier. At least part of the methane is reacted with steam to synthesis gas while heat is being supplied.

REFERENCES:
patent: 1790853 (1931-02-01), Casale
patent: 4005045 (1977-01-01), Haese
patent: 4095959 (1978-06-01), Kunstle et al.
Chemie-Ing. Techn. 46 Jahrg. 1974/Nr. 22-"Vergasing von Kohle mit Kernreaktorwarme" by Juntgen et al, pp. 937, 938 and 941.
Oak Ridge Nat'l. Lab.-"Assessment of Very High-Temperature Reactors in Process Applications", by Spiewak et al, publ. Nov. 76, p. 82.

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