C - Chemistry – Metallurgy – 10 – J
Patent
C - Chemistry, Metallurgy
10
J
48/37
C10J 3/54 (2006.01)
Patent
CA 1106608
ABSTRACT OF THE DISCLOSURE IMPROVED CO2 ACCEPTOR PROCESS Disclosed is an improved CO2 acceptor process for the gasification of carbonaceous solids to produce H2, CO and CH4. In the process a hot calcined CO2 acceptor solid and a carbonaceous solid are contacted in countercurrent plug-like flow in a gasification vessel filled with packing or other suitable internals. The CO2 acceptor flows downwardly through the vessel in a fluidized state, countercurrent to entrained carbonaceous solid flowing upwardly through said vessel. The heat of gasification is provided by sensible heat transfer from the calcined CO2 acceptor solid to the carbonaceous solid and by the exothermic heat of reaction of the calcined CO2 acceptor with CO2 generated in the process.
319975
Mitchell David S.
Sageman David R.
Chevron Research And Technology Company
Smart & Biggar
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