Gas separation: processes – Solid sorption – Including reduction of pressure
Patent
1998-04-02
1999-10-12
Spitzer, Robert
Gas separation: processes
Solid sorption
Including reduction of pressure
95100, 95105, B01D 53053
Patent
active
059649240
ABSTRACT:
This process comprises at least one stage of first decompression/first recompression by balancing the pressures between two adsorbers (2A to 2D) as well as the taking off of a constant product gas rate during the adsorption phase. In the course of the first decompression, the product gas taken off is passed to an auxiliary capacity (6) which is arranged in parallel to the product line (1) and can be connected to the product outlet side of each adsorber (2A to 2D). During the second recompression stage, the adsorber receives the product gas taken off in countercurrent and is at the same time put into communication with the auxiliary capacity. The process is useful in the production of hydrogen from a constant rate of a feed gas mixture.
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Engler Yves
Monereau Christian
L'Air Liquide Societe Anonyme Pour l'Etude et, l'Exploitation de
Spitzer Robert
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