Method for the gasification of coal

Details Method for the gasification of coal Method for the gasification of coal

C - Chemistry, Metallurgy

10

J

48/39

C10J 3/16 (2006.01) C10J 3/02 (2006.01) C10J 3/30 (2006.01) C10J 3/54 (2006.01)

Patent

CA 1123200

ABSTRACT Gasification of coal by hydrogenation to produce CH4 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 hydrogenation is preferably carried out in a fluidized bed operation and the steam gasification in a fixed-bed operation.

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