Process for recovering helium from a multi-component gas stream

Details Process for recovering helium from a multi-component gas stream Process for recovering helium from a multi-component gas stream

1986-06-16

1988-01-05

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

55 68, 55158, 62 20, 21050021, F25J 300

Patent

active

047174072

ABSTRACT:
The present invention involves an efficient process for recovering helium from a gas mixture containing helium and at least one other component. Separation is effected by integrating a semi-permeable membrane-based unit with a non-membrane type separation unit.

REFERENCES:
patent: 3250080 (1966-05-01), Garwin
patent: 3324626 (1967-06-01), Dresser et al.
patent: 3377812 (1968-04-01), Garrett et al.
patent: 4192661 (1980-03-01), Johnson

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