The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 27, 2016

Filed:

Mar. 04, 2015
Applicant:

L'air Liquide, Societe Anonyme Pour L'etude ET L'exploitation Des Procedes Georges Claude, Paris, FR;

Inventor:

Sudhir S. Kulkarni, Wilmington, DE (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/047 (2006.01); B01D 53/22 (2006.01); B01D 53/00 (2006.01); F23J 15/02 (2006.01); C01B 31/20 (2006.01);
U.S. Cl.
CPC ...
B01D 53/229 (2013.01); B01D 53/002 (2013.01); B01D 53/047 (2013.01); C01B 31/20 (2013.01); F23J 15/02 (2013.01); B01D 2257/504 (2013.01); B01D 2258/0283 (2013.01);
Abstract

COmay be recovered from flue gas by a hybrid system utilizing both gas separation membranes and adsorption. Purified flue gas is separated by the gas separation membrane into permeate and non-permeate streams. The permeate stream is compressed, partially condensed at a heat exchanger, and phase-separated to produce a vent gas and high purity liquid CO. The vent gas is recycled to the membrane. The non-permeate is fed to a PSA unit. The COblow-down from the PSA unit is also compressed with the flue gas stream. The adsorbent in the PSA unit is regenerated with combustion air and the CO-containing combustion air is fed to a combustor for combustion with fuel and an oxidant to produce the flue gas.


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