Gas separation: processes – Liquid contacting – Inorganic gas – liquid particle – or solid particle sorbed
Patent
1996-04-30
1997-12-23
Chiesa, Richard L.
Gas separation: processes
Liquid contacting
Inorganic gas, liquid particle, or solid particle sorbed
481983, 423220, 423437R, 585 15, B01D 5378
Patent
active
057003114
ABSTRACT:
Methods are provided for the selective removal of CO.sub.2 from a multicomponent gaseous stream to provide a CO.sub.2 depleted gaseous stream having at least a reduction in the concentration of CO.sub.2 relative to the untreated multicomponent gaseous stream. In the subject methods, the multicomponent gaseous stream is contacted with CO.sub.2 nucleated water under conditions of selective CO.sub.2 clathrate formation, where the CO.sub.2 nucleated water serves as liquid solvent. The subject methods find use in a variety of applications where it is desired to selectively remove CO.sub.2 from a multicomponent gaseous stream, including chemical feedstock processing applications and air emissions control applications.
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Chiesa Richard L.
Field, Esq. Bret
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