F - Mech Eng,Light,Heat,Weapons – 25 – J
Patent
F - Mech Eng,Light,Heat,Weapons
25
J
162/106, 196/46
F25J 3/00 (2006.01) C10G 1/00 (2006.01) C10G 1/02 (2006.01) F25J 3/02 (2006.01)
Patent
CA 1185166
ABSTRACT A process is described for the separation of carbon dioxide and sulfide gases from oil shale re- torting off-gases, coal gasification off-gases, oxygen fireflooding off-gases or carbon dioxide miscible flood enhanced oil recovery off-gases for recycle to a retort, gasifier, petroleum reservoir or to further sulfide processing prior to export. The process separates the off-gases into an essentially sulfur-free light BTU fuel gas, a heavy hydrocarbon stream and a carbon dioxide acid gas stream wherein the off-gas is com- pressed if necessary and cooled to separate the various streams. The carbon dioxide acid gas stream is expanded in an auto-refrigeration step to provide the necessary process refrigeration. In the oil shale retort and coal gasification applications the sulfur constituents are sorbed on spent oil shale particles or coal ash.
419262
Hegarty William P.
Schmidt William P.
Air Products And Chemicals Inc.
Mcfadden Fincham
LandOfFree
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