Method of separating CO 2 from hydrocarbon gas

Details Method of separating CO 2 from hydrocarbon gas Method of separating CO 2 from hydrocarbon gas

2006-12-26

2006-12-26

Doerrler, William C. (Department: 3744)

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

C062S929000

Reexamination Certificate

active

07152430

ABSTRACT:
A method of separating CO2from a hydrocarbon gas inlet stream that is within predetermined pressure and temperature ranges including the steps of subjecting the inlet stream to fractional distillation providing a bottom product stream and a distillation overhead stream, passing the distillation overhead stream to a membrane unit producing a CO2by-product stream and a hydrocarbon stream and chilling the hydrocarbon stream to produce a reflux liquid stream and a hydrocarbon gas product.

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Process Can Efficiently Treat Gases Associated with Co2 Miscible Flood by Ronald Schendel,Oil&Gas Journal, A Penn Well Publication.

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