System for treatment of plural crude gases in single adsorption

Details System for treatment of plural crude gases in single adsorption System for treatment of plural crude gases in single adsorption

1981-12-10

1983-09-06

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55 62, 55 68, 55 74, 55179, 55387, B01D 5304

Patent

active

044027125

ABSTRACT:
In a process for the separation of at least two crude gas streams of differing composition in a single pressure swing adsorption plant operated with several cyclically reversible adsorbers passing respectively through an adsorption phase, and a regenerating phase, comprising stages of expansion, purging, and pressure buildup, the improvement wherein said pressure swing adsorption plant comprises a plurality of groups of adsorbers, said groups communicating only via outlet sides thereof, and wherein each crude gas stream is associated with a single group of adsorbers through which the respective crude gas stream is conducted in a cyclically reversible fashion and separated therein, and that expansion gas is obtained at least during one stage of the expansion in one group of adsorbers is conducted into an adsorber of another group, the latter adsorber being in a regenerating phase.

REFERENCES:
patent: Re31014 (1982-08-01), Sircar
patent: 2790505 (1957-04-01), Dow
patent: 2995208 (1961-08-01), Hachmuth et al.
patent: 3205639 (1965-09-01), Johnson et al.
patent: 3986849 (1976-10-01), Fuderer et al.
patent: 4070164 (1978-01-01), Miwa et al.
patent: 4153434 (1979-05-01), Settlemyer
patent: 4171207 (1979-10-01), Sircar
patent: 4234322 (1980-11-01), DeMeyer et al.
patent: 4280824 (1981-07-01), Lassmann et al.
patent: 4350500 (1982-09-01), Esselink

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