Selective adsorption process

Details Selective adsorption process Selective adsorption process

1979-06-18

1980-10-21

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55 62, 55 66, 55 74, B01D 5304, B01D 5322

Patent

active

042291887

ABSTRACT:
There is provided an improved, environmentally acceptable adsorption process for the recovery of hydrogen and normally liquid hydrocarbon from a feed gas mixture by utilizing a membrane permeator unit selectively permeable to hydrogen to recover a permeated hydrogen gas from the purge gas obtained from the regeneration of a selective adsorption unit, recycling the permeated hydrogen gas to a guard adsorber of the selective adsorption unit as purge gas and blending said gas with the feed gas mixture for recovery of normally liquid hydrocarbon and of the added proportion of hydrogen as purified hydrogen product.

REFERENCES:
patent: 3141748 (1964-07-01), Hoke et al.
patent: 3142547 (1964-07-01), Marsh et al.
patent: 3336730 (1967-08-01), McBride et al.
patent: 3430418 (1969-03-01), Wagner
patent: 3702525 (1972-11-01), Simon et al.
patent: 3838553 (1974-10-01), Doherty
patent: 4171207 (1979-10-01), Sircar
patent: 4180552 (1979-12-01), Graham et al.
patent: 4181675 (1980-01-01), Makin et al.
Hydrocarbon Processing, Jul. 1977, pp. 147-152, vol. 56, No. 7, "Cryogenics Increase Benzene Recovery".

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