Method for recovery of high purity carbon dioxide from a...

Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Carbon dioxide or hydrogen sulfide component

Reexamination Certificate

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C423S229000, C423S400000, C423S405000

Reexamination Certificate

active

07829049

ABSTRACT:
The present invention describes a method for recovery of high purity carbon dioxide, which is substantially free of nitrogen oxides. The present invention also discloses a plant for recovery of said high purity carbon dioxide comprising an absorption column, a flash column, a stripper column, and a purification unit.

REFERENCES:
patent: 3266220 (1966-08-01), Woertz
patent: 5832712 (1998-11-01), Ronning
patent: 6146603 (2000-11-01), Chakravarti et al.
patent: 0558175 (1994-03-01), None
patent: 1059110 (2000-12-01), None
patent: 2004073838 (2004-09-01), None
patent: 2006037323 (2006-04-01), None
Engineering Feasibility of CO2 Capture on an Existing US Coal-Fired Fire Plant pp. 87-98, (2001).

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