Catalytic coal gasification process

C - Chemistry – Metallurgy – 10 – J

Patent

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48/27

C10J 3/00 (2006.01)

Patent

CA 1140759

(U.S. 925,644) ABSTRACT OF THE DISCLOSURE Carbonaceous material is gasified in the presence of an added potassium salt having poor catalytic activity as compared to potassium carbonate and a sodium or lithium compound. The added sodium or lithium compound apparently activates the relatively noncatalytic potassium salt thereby producing a substantial catalytic effect on the gasification reactions. In general, activation of the noncatalytic potassium salt will take place when the sodium or lithium compound in- troduced into the reactor is either a salt of a weak acid or a salt of a strong acid that is converted to a sodium or lithium salt of a weak acid in the reactor at gasification conditions.

331739

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