Process for removal of carbon dioxide from mixtures containing c

Details Process for removal of carbon dioxide from mixtures containing c Process for removal of carbon dioxide from mixtures containing c

1987-09-18

1988-05-31

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

55 68, 62 20, 62 28, F25J 300

Patent

active

047478586

ABSTRACT:
An absorptive distillation using a C.sub.7 to C.sub.8 physical solvent without overhead condenser-reflux duty is described for separation of carbon dioxide from methane, wherein the separation preferentially uses heat energy in contrast to mechanical energy or power.

REFERENCES:
patent: 3656312 (1972-04-01), Streich
patent: 4149864 (1979-04-01), Eakman et al.
patent: 4230469 (1980-10-01), Grimm et al.

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