Method and apparatus for the gasification of coal

Details Method and apparatus for the gasification of coal Method and apparatus for the gasification of coal

1980-02-28

1981-11-17

Marcus, Michael S.

Gas: heating and illuminating

Processes

Coal

48 73, 48 77, 48202, C10J 346, C10J 300

Patent

active

043009166

ABSTRACT:
Gasification of coal by hydrogenation to produce CH.sub.4 hydrocarbons, and by steam to produce hydrogen. Forming a medium-grain and a small-grain fractions from coal. Hydrogenating the volatile and readily reactive components of part of the small-grain fraction to form hydrocarbons and coke. Mixing the coke with the other part of the small-grain fraction. Forming briquets from the mixture. Mixing the briquets with medium size coal fraction and steam gasifying to produce hydrogen. The hydrogentation is preferably carried out in a fluidized bed operation and the steam gasification in a fixed-bed operation.

REFERENCES:
patent: 3692505 (1972-09-01), Reichl
patent: 3920418 (1975-11-01), Rice
patent: 4095959 (1978-06-01), Kunstle et al.

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