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. 05, 2022

Filed:

Sep. 04, 2019
Applicant:

Uop Llc, Des Plaines, IL (US);

Inventors:

Bradley P. Russell, Wheaton, IL (US);

Gautam Pandey, Gurugram, IN;

David A. Wegerer, Lisle, IL (US);

Wim Elseviers, Ghent, BE;

Assignee:

UOP LLC, Des Plaines, IL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01); B01D 53/047 (2006.01); C10L 3/12 (2006.01); C01B 3/56 (2006.01);
U.S. Cl.
CPC ...
B01D 53/229 (2013.01); B01D 53/047 (2013.01); B01D 53/227 (2013.01); C01B 3/56 (2013.01); C10L 3/12 (2013.01); B01D 2256/16 (2013.01); B01D 2256/24 (2013.01); B01D 2257/702 (2013.01); B01D 2259/40054 (2013.01); C01B 2203/042 (2013.01); C10L 2290/541 (2013.01); C10L 2290/548 (2013.01);
Abstract

Process of treating a net gas stream is disclosed. The process includes sending the net gas stream to a compressor to produce a compressed gas stream. The compressed gas stream is then sent to a pressure swing adsorption unit to produce a hydrogen product stream and a tail gas stream. Tail gas stream from the pressure swing adsorption unit is sent to a first membrane unit to produce a first permeate stream and a first non-permeate stream. Portion of the tail gas stream is sent to a second membrane unit to produce a second permeate stream and a second non-permeate stream.


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