Method for separating gases

Details Method for separating gases Method for separating gases

1979-08-16

1981-04-28

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55158, B01D 5912

Patent

active

042643384

ABSTRACT:
An improved process for the separation of gases by selective membrane diffusion or permeation by means of plural stages of membrane separation without increasing the work required by directing a permeant mixture from a second or later stage of separation to a recycle stage of membrane separation to provide a permeate enriched in the desired gas or gases and blending said permeate with the gaseous feed to said second or later stage of separation.

REFERENCES:
patent: 3208197 (1965-09-01), Simon et al.
patent: 3442002 (1969-05-01), Geary, Jr. et al.
patent: 3713271 (1973-01-01), Franz et al.
patent: 3792570 (1974-02-01), Biondi et al.
patent: 3836457 (1974-09-01), Gross et al.
patent: 3961917 (1976-06-01), Benedict et al.
patent: 4000065 (1976-12-01), Ladha et al.
patent: 4119417 (1978-10-01), Heki et al.

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