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.:
Date of Patent:
Aug. 23, 2022
Filed:
Jan. 24, 2020
Applicant:
Uop Llc, Des Plaines, IL (US);
Inventors:
Bradley P. Russell, Wheaton, IL (US);
David W. Greer, Cary, IL (US);
Mark M. Davis, Highland Park, IL (US);
Shain Doong, Kildeer, IL (US);
Jince Sebastian, Gurgaon, IN;
Assignee:
UOP LLC, Des Plaines, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/00 (2006.01); C01B 3/50 (2006.01); B01D 53/047 (2006.01);
U.S. Cl.
CPC ...
C01B 3/50 (2013.01); B01D 53/047 (2013.01); B01D 2253/102 (2013.01); B01D 2253/104 (2013.01); B01D 2253/112 (2013.01); B01D 2257/104 (2013.01); B01D 2257/702 (2013.01); C01B 2203/042 (2013.01);
Abstract
A pressure swing adsorption process is provided to remove oxygen from a hydrogen stream through the use of a copper material in combination with layers of adsorbent to remove water, C2 and C3 hydrocarbons, as well as other impurities. The feed gas comprises more than 70 mol % hydrogen, at least 1 mol % methane and more than 10 ppmv oxygen. The purified product hydrogen stream comprises greater than 99 mol % hydrogen, with less than 1 ppmv oxygen.