Process and apparatus for generating synthesis gas

Details Process and apparatus for generating synthesis gas Process and apparatus for generating synthesis gas

C - Chemistry, Metallurgy

01

B

48/28, 48/4

C01B 3/02 (2006.01) C01B 25/027 (2006.01) C01B 31/32 (2006.01) C10J 3/08 (2006.01) C10J 3/46 (2006.01) C10J 3/84 (2006.01) C21B 13/00 (2006.01)

Patent

CA 1200102

PROCESS AND APPARATUS FOR GENERATING SYNTHESIS GAS ABSTRACT OF THE DISCLOSURE The disclosure relates to a process for generating synthesis gas (CO + H2) by subjecting fine particulate materials rich in carbon to an autothermal gasification reaction with oxygen. More particularly, coal dust having a particle size of up to 0.1 mm and oxygen and, if desired, a gaseous addend are injected into a gasification zone main- tained at 2000 to 2600°C; resulting flue dust-containing crude synthesis gas with its inherent thermal energy is passed first through a reduction zone having the feed materials necessary for initiating an endothermal carbothermal re- duction placed therein, and then together with the synthe- sis gas produced during the carbothermal reduction through a pre-heating zone disposed directly above the reduction zone and having the same materials as this latter zone placed therein; next, the synthesis gas is removed at a tempera- ture of 300 up to 1500°C for purification and conversion; and the fused reaction product originating from the carbo- thermal reduction and fused slag are taken from a collect- ing and post-reaction zone, below the reduction zone.

407513

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