Method and apparatus for separating carbon dioxide and other aci

Details Method and apparatus for separating carbon dioxide and other aci Method and apparatus for separating carbon dioxide and other aci

1983-12-23

1985-08-06

Sever, Frank

Refrigeration

Processes

Circulating external gas

62 33, 62 42, F25J 302

Patent

active

045333726

ABSTRACT:
The invention relates to method and apparatus for separating carbon dioxide and other acid gases from methane by treating the feedstream in at least one distillation zone and a controlled freezing zone. The freezing zone produces a carbon dioxide slush which is melted and fed into a distillation section. The apparatus used to practice the process is preferably in a single vessel.

REFERENCES:
patent: 3306057 (1967-02-01), Harmens

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