Process and installation for the separation of a gas mixture by adsorption
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United States of America Patent
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Oct 12, 1999
Grant Date -
N/A
app pub date -
Apr 2, 1998
filing date -
Apr 2, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
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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