Membrane unit turn-down control system

Details Membrane unit turn-down control system Membrane unit turn-down control system

1988-09-15

1989-08-15

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 21, 55 68, 55158, 55218, 55270, B01D 5322

Patent

active

048570826

ABSTRACT:
A permeator system for separating at least one gaseous component from a feed gas mixture containing at least one other component using a semi-permeable membrane is disclosed which maintains high permeate product purity and desired component recovery during periods of turn-down in capacity. In accordance with the present invention, the permeator system contains a series of flow and pressure sensors and valves which regulate differential pressure across the membrane based upon permeate product demand or feed availability.

REFERENCES:
patent: 3975170 (1976-08-01), Keating, Jr.
patent: 3979190 (1976-09-01), Hedman
patent: 4040801 (1977-08-01), Dyer et al.
patent: 4397661 (1983-08-01), King et al.
patent: 4421529 (1983-12-01), Revak et al.
patent: 4537606 (1985-08-01), Itoh et al.
patent: 4553988 (1985-11-01), Shimizu et al.

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