Gas separation: processes – Selective diffusion of gases – Selective diffusion of gases through substantially solid...
Patent
1993-09-21
1995-02-14
Spitzer, Robert
Gas separation: processes
Selective diffusion of gases
Selective diffusion of gases through substantially solid...
95258, 95263, 95264, 95265, 95266, B01D 5322, B01D 1900
Patent
active
053891260
ABSTRACT:
A process for removing components from liquid is disclosed. This process involves batchwise gas-stripping followed by membrane separation treatment of the stripping gas. The stripping step can be carried out by circulating the batch repeatedly around the loop formed by the tank and the stripper for sufficient time until the desired degree of component removal is achieved. An additional tank can also be used to avoid mixing treated and untreated liquid streams. The membrane separation step can be carried out using a single-stage membrane unit or a multistage unit. The process is particularly suited for treatment of industrial streams that are small intermittent streams and vary in composition and concentration.
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Baker Richard W.
Bedi Harmohinder S.
Farrant J.
Membrane Technology and Research, Inc.
Spitzer Robert
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