Pressure swing adsorption control method and apparatus

Details Pressure swing adsorption control method and apparatus Pressure swing adsorption control method and apparatus

1987-09-01

1988-08-02

Prunner, Kathleen J.

Gas separation

Means within gas stream for conducting concentrate to collector

55 26, 55163, 55179, B01D 5304

Patent

active

047611650

ABSTRACT:
The present invention provides a method and apparatus for automatically controlling product repressurization in a pressure swing adsorption (PSA) process. According to the invention the same valve employed for withdrawing product from a bed during adsorption is employed to feed product gas to that bed during product repressurization. This enables the elimination of several valves, including a system-dependent valve, thereby improving system reliability. The same controllable valve may also be used to control the pressure in the PSA system.

REFERENCES:
patent: 3176444 (1965-04-01), Kiyonaga
patent: 3703068 (1972-11-01), Wagner
patent: 4070164 (1978-01-01), Miwa et al.
patent: 4234322 (1980-11-01), De Meyer et al.
patent: 4299595 (1981-11-01), Benkmann et al.
patent: 4360362 (1982-11-01), Asztalos
patent: 4475930 (1984-10-01), Asztalos
patent: 4693730 (1987-09-01), Miller et al.

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