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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.

Patent No.:

US 10456729 B1

PDFFull Text
Date of Patent:
Oct. 29, 2019

Filed:

Aug. 05, 2014

Process for carbon dioxide recovery from a gas stream containing carbon dioxide and hydrocarbons

Applicant:

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Scott T. Matteucci, Midland, MI (US);

Ajay N. Badhwar, Houston, TX (US);

H. Robert Goltz, Midland, MI (US);

Jonathan W. Leister, Manvel, TX (US);

Nicholas J. Shurgott, Rosharon, TX (US);

Assignee:

Dow Global Technologies LLC, Midland, MI (US);

Attorney:
Primary Examiner:

Angela M DiTrani Leff

Int. Cl.
CPC ...
E21B 43/16 (2006.01); B01D 53/04 (2006.01); E21B 43/40 (2006.01); B01J 20/20 (2006.01); B01J 20/26 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); B01J 20/34 (2006.01); C07C 7/12 (2006.01); C01B 32/50 (2017.01);
U.S. Cl.
CPC ...
B01D 53/04 (2013.01); B01J 20/20 (2013.01); B01J 20/267 (2013.01); B01J 20/28064 (2013.01); B01J 20/3078 (2013.01); B01J 20/3085 (2013.01); B01J 20/3416 (2013.01); B01J 20/3425 (2013.01); B01J 20/3441 (2013.01); B01J 20/3483 (2013.01); B01J 20/3491 (2013.01); C01B 32/50 (2017.08); C07C 7/12 (2013.01); E21B 43/164 (2013.01); E21B 43/40 (2013.01); B01D 2253/202 (2013.01); B01D 2256/22 (2013.01); B01D 2256/24 (2013.01); B01D 2256/245 (2013.01); B01D 2257/504 (2013.01); B01D 2257/702 (2013.01); C01B 2210/007 (2013.01); C01B 2210/0015 (2013.01); C01P 2006/80 (2013.01); Y02C 10/08 (2013.01); Y02P 90/70 (2015.11);
Abstract

A process for purification of a carbon dioxide feedstock that includes carbon dioxide and gaseous and liquid C+ hydrocarbons. Specifically, a carbon dioxide feedstream is passed through one or more separation unit, each separation unit removing one or more C+ hydrocarbon from the carbon dioxide feedstream to provide a richer carbon dioxide gas stream. The one or more separation unit employs an adsorption media and has an adsorption step and a media regeneration step.

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