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:
Jul. 28, 2026

Filed:

Jun. 10, 2022
Applicant:

Shell Usa, Inc., Houston, TX (US);

Inventors:

Timothy Michael Nisbet, Amsterdam, NL;

Sayee Prasaad Balaji, Amsterdam, NL;

Assignee:

SHELL USA, INC., Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/02 (2006.01); B01D 53/00 (2006.01); F25J 1/00 (2006.01); F25J 1/02 (2006.01);
U.S. Cl.
CPC ...
B01D 53/002 (2013.01); B01D 53/02 (2013.01); F25J 1/0027 (2013.01); F25J 1/0228 (2013.01); B01D 2256/22 (2013.01); B01D 2257/102 (2013.01); B01D 2257/104 (2013.01); B01D 2258/06 (2013.01); B01D 2259/40086 (2013.01); F25J 2205/60 (2013.01); F25J 2210/40 (2013.01);
Abstract

The present invention relates to a method for removing carbon dioxide (CO) from a CO-containing stream, the method at least comprising the steps of: a) providing a CO-containing stream (), preferably air wherein the CO-containing stream () has a COcontent in the range of from 10 to 1000 ppmv, preferably from 100 to 1000 ppmv; b) removing COfrom the CO-containing stream () provided in step a) in a first COremoval unit (), thereby obtaining a first CO-enriched stream () and a first CO-depleted stream (); c) liquefying the first CO-enriched stream () obtained in step b) in a liquefaction unit (); d) removing from the liquefaction unit () at least a liquefied COstream () and a gaseous stream () containing at least nitrogen [N(g)], oxygen [O(g)] and CO(g).


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