Dual pressure absorption process

Details Dual pressure absorption process Dual pressure absorption process

1977-07-05

1979-02-06

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55 64, 55 70, 55 71, 55 73, 55 89, 208213, 423228, 423237, 423240, 423242, B01D 5314, B01D 5334

Patent

active

041382307

ABSTRACT:
An absorption process, as for the removal of H.sub.2 S from vapor streams, wherein a stream of lean absorbent removed from the regenerator as a sidecut is used in a high pressure absorption zone and a lean absorbent stream removed as the regenerator bottoms stream is used in a low pressure absorption zone.

REFERENCES:
patent: 2781863 (1957-02-01), Bloch et al.
patent: 3219051 (1965-11-01), Francis
patent: 3225519 (1965-12-01), Stotler
patent: 3245752 (1966-04-01), Fryar et al.
patent: 3563696 (1971-02-01), Benson
patent: 3607003 (1971-09-01), Stotler
patent: 3642430 (1972-02-01), Benson
patent: 3851041 (1974-11-01), Eickmeyer
patent: 4041131 (1977-08-01), Forbes

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