Carbon dioxide absorption methanol process

Details Carbon dioxide absorption methanol process Carbon dioxide absorption methanol process

1986-02-24

1987-06-23

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 20, 62 28, 55 68, F25J 300

Patent

active

046750355

ABSTRACT:
A process is disclosed for the separation of hydrocarbon feed gas mixture containing methane and carbon dioxide, as well as other components such as ethane propane-and-heavier hydrocarbon, hydrogen sulfide, nitrogen, or other lighter inert gases, into various components. The steps of separation include distillation and absorption. These separations operate at temperatures and pressures such that the freezing or formation of solid carbon dioxide will not occur. The process utilizes four distillation units and one absorption unit.

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