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:
Apr. 25, 2017
Filed:
Jun. 15, 2015
Applicant:
Uop Llc, Des Plaines, IL (US);
Inventors:
Robert E. Tsai, Arlington Heights, IL (US);
Xin X. Zhu, Long Grove, IL (US);
Joel J. Kaye, Long Grove, IL (US);
Eleftherios Adamopoulos, Gurnee, IL (US);
Assignee:
UOP LLC, Des Plaines, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 3/02 (2006.01); B01D 53/047 (2006.01); C01B 3/56 (2006.01);
U.S. Cl.
CPC ...
B01D 53/047 (2013.01); C01B 3/56 (2013.01); B01D 2256/16 (2013.01); B01D 2257/7022 (2013.01); B01D 2257/7025 (2013.01); Y02C 20/20 (2013.01);
Abstract
The invention involves a process for treating a gas stream from a hydroprocessor that contains hydrogen, methane and C+ hydrocarbons. In embodiments of the invention, the gas stream is sent through at least two pressure swing adsorption units to produce a high quality hydrogen stream, a fuel gas stream containing most of the methane and a tail gas stream that is sent to a steam cracker. Lean gas from a gas plant and other refinery off gases may also be processed together with the gas stream from the hydroprocessor.