Methods and systems for selectively separating CO 2 from a...

Details Methods and systems for selectively separating CO 2 from a... Methods and systems for selectively separating CO 2 from a...

2006-10-31

2006-10-31

Lawrence, Frank M. (Department: 1724)

Gas separation: processes

Liquid contacting

And recycle or reuse of contact liquid for further contact

C095S236000, C423S220000

Reexamination Certificate

active

07128777

ABSTRACT:
Methods are provided for the selective removal of CO2from a multicomponent gaseous stream to provide a CO2depleted gaseous stream. In practicing the subject methods, an initial multicomponent gaseous stream is contacted with an aqueous fluid under conditions of selective CO2clathrate formation to produce a CO2clathrate slurry and CO2depleted gaseous stream. A feature of the subject methods is that the CO2clathrate slurry is then compressed to high pressure to produce a high-pressure CO2product. Also provided are systems that find use in practicing the subject methods. The subject methods and systems find use in a variety of applications where it is desired to selectively remove CO2from a multicomponent gaseous stream.

REFERENCES:
patent: 5700311 (1997-12-01), Spencer
patent: 6028234 (2000-02-01), Heinemann et al.
patent: 6090186 (2000-07-01), Spencer
patent: 6106595 (2000-08-01), Spencer
patent: 6235091 (2001-05-01), Spencer
patent: 6235092 (2001-05-01), Spencer
patent: 6352576 (2002-03-01), Spencer et al.
patent: 6602326 (2003-08-01), Lee et al.
patent: 6797039 (2004-09-01), Spencer

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