Process for gasification of solid carbonaceous material

Details Process for gasification of solid carbonaceous material Process for gasification of solid carbonaceous material

C - Chemistry, Metallurgy

10

J

48/35

C10J 3/00 (2006.01)

Patent

CA 1170456

Abstract: The invention provides a process for the gasification of solid carbonaceous materials such as coal. Powdered coal is top-blown onto a molten iron bath stored in a furnace through a non-submerged lance toward a hot spot formed by means of a jet of oxygen and steam top-blown through a non-submerged lance. The coal is blown by means of a carrier gas and optionally flux is also added to the bath or blown toward the hot spot. The ratio L/Lo of the depression depth L of the molten iron bath to the molten iron bath depth Lo is maintained from 0.05 to 0.15, and the blowing velocity of the solid carbonaceous material is maintained from 50 to 300 m/sec so as to suppress the formation of an adhered mass on the upper part of the furnace, hood or lance.

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