Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1983-02-16
1984-10-09
Spitzer, Robert
Gas separation
Means within gas stream for conducting concentrate to collector
55 58, 55 62, 55 68, 55 75, B01D 5304
Patent
active
044759304
ABSTRACT:
In a pressure swing adsorption plant for the purification and separation of gases, with several adsorbers, conducting respectively within one cycle the steps of adsorption, expansion or pressure equalization, purging, and pressure buildup, using as the purge gas residual gas released during the expansion of adsorbers, wherein pressure buildup is conducted at least in part with product gas, and when there is a malfunction in an adsorber yielding purge gas, the product gas is employed not only for the pressure buildup but also for purging one or more adsorbers. The amount of purge gas is controlled so that the adsorber or adsorbers, which are in the pressure buildup phase reach the desired adsorption pressure within a previously determined period of time.
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patent: 4077780 (1978-03-01), Doshi
patent: 4140495 (1979-02-01), Pietruszewski
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Linde Aktiengesellschaft
Spitzer Robert
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