Purification of gases
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United States of America Patent
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Nov 26, 1991
Grant Date -
N/A
app pub date -
Jan 26, 1990
filing date -
Jan 26, 1989
priority date (Note) -
Expired
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Abstract
A process 10 for removing acid gas components such as CO.sub.2, H.sub.2 S and/or COS from a gas stream includes feeding the gas stream into an absorption zone 54, and passing a suitable physical solvent at elevated pressure and reduced temperature counter-currently through the zone. Acid gas components are thus absorbed from the gas stream into the solvent. The absorption zone is maintained at substantially isothermal condition.
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