Process for producing a gaseous product from carbonaceous...

Details Process for producing a gaseous product from carbonaceous... Process for producing a gaseous product from carbonaceous...

C - Chemistry, Metallurgy

10

J

48/35

C10J 3/00 (2006.01) C10J 3/54 (2006.01) C10L 9/02 (2006.01)

Patent

CA 1060211

ABSTRACT OF THE DISCLOSURE: A process for producing a gaseous product from particulate carbonaceous material which is solid at room tempera- ture. The process of the invention comprises pretreating the particulate carbonaceous material with liquid ammonia at room temperature to 150°C to extract out of the carbona- ceous material at least about 80 % of the substances extractable with liquid ammonia; separating the carbonaceous material from the liquid ammonia; and treating the resultant carbonaceous material with a gasifying agent at a temperature of 400°C. to 1,000°C. under a pressure ranging from atmospheric pressure to super-atmospheric pressure in the presence or absence of a catalyst to obtain a gaseous product. With such process, there is obtained a high gasification efficiency, with avoid- ance of caking and coking the carbonaceous material.

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