Pyrolysis processes utilizing a particulate heat source

Details Pyrolysis processes utilizing a particulate heat source Pyrolysis processes utilizing a particulate heat source

C - Chemistry, Metallurgy

10

J

48/35, 196/6.1

C10J 3/20 (2006.01) C10B 49/16 (2006.01) C10G 1/00 (2006.01) C10J 3/00 (2006.01)

Patent

CA 1113414

ABSTRACT A solid carbonaceous material is pyrolyzed in a descending flow pyrolysis reactor in the presence of a particulate source of heat to yield a particulate carbon-containing solid residue. The particulate source of heat is obtained by educting with a gaseous source of oxygen the particulate carbon-containing solid residue from a fluidized bed into a first combustion zone coupled to a second combustion zone. A source of oxygen is introduced into the second combustion zone to oxidize carbon monoxide formed in the first combustion zone to heat the solid residue to the temperature of the particulate source of heat.

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