Vapor recovery system

Details Vapor recovery system Vapor recovery system

1986-09-22

1987-12-29

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

55 58, 55 62, 55 88, 55179, B01D 5314

Patent

active

047158689

ABSTRACT:
A process for the recovery of hydrocarbon vapors from an air-hydrocarbon mixture wherein the inlet air-hydrocarbon mixture is passed to an absorber vessel in which is fed a vacuum flashed liquid hydrocarbon absorbent to produce an absorber overhead gas stream which is passed to a solid absorbent bed. Once saturated, the adsorbed hydrocarbon on the solid adsorbent bed is removed by liquid vacuum pump regeneration, separated from the pump liquid, and returned to the system for use. Hydrocarbon free air is vented from the solid adsorbent bed during the adsorption mode.

REFERENCES:
patent: 3877893 (1975-04-01), Sweny et al.
patent: 4066423 (1978-01-01), McGill et al.
patent: 4261716 (1981-04-01), Schwartz et al.
patent: 4276058 (1981-06-01), Dinsmore
patent: 4462811 (1984-07-01), Dinsmore et al.

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