Process for separating and recovering carbonic acid gas from gas mixture by adsorption
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United States of America Patent
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Jan 22, 1991
Grant Date -
N/A
app pub date -
Aug 23, 1989
filing date -
Dec 26, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a process for separating and recovering a high purity carbonic acid gas from a wet mixed gas containing carbonic acid gas which comprises using a pressure swing adsorption and separation apparatus composed of an adsorber packed with alumina gel and zeolite and carrying out the steps of adsorption, washing, desorption and pressurization.
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