Distillative separation of carbon dioxide from light hydrocarbon

Details Distillative separation of carbon dioxide from light hydrocarbon Distillative separation of carbon dioxide from light hydrocarbon

1981-09-28

1982-09-21

Yudkoff, Norman

Refrigeration

Processes

Circulating external gas

62 20, 62 28, 55 68, F25J 304

Patent

active

043505112

ABSTRACT:
An improved distillative separation of carbon dioxide and light hydrocarbons is disclosed in which the formation of an azeotrope between these components is prevented by addition of an agent to said distillation column and in which prevention of the azeotrope allows a more complete separation to be achieved.

REFERENCES:
patent: 3130026 (1964-04-01), Becker
patent: 3595782 (1971-07-01), Bucklin et al.
patent: 4012212 (1977-03-01), Kniel
patent: 4035167 (1977-07-01), Starks
patent: 4185978 (1980-01-01), McGalliard
patent: 4311495 (1982-01-01), Styring, Jr.

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