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:
Dec. 22, 2020
Filed:
Jun. 04, 2018
Applicant:
Uop Llc, Des Plaines, IL (US);
Inventors:
Assignee:
UOP LLC, Des Plaines, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 3/56 (2006.01); B01D 53/14 (2006.01); C10L 3/12 (2006.01); C10G 49/22 (2006.01); C10G 70/04 (2006.01); B01D 3/14 (2006.01); B01D 3/34 (2006.01); C10L 3/10 (2006.01);
U.S. Cl.
CPC ...
B01D 3/143 (2013.01); B01D 3/346 (2013.01); B01D 53/1462 (2013.01); C01B 3/56 (2013.01); C10L 3/101 (2013.01); C10L 3/12 (2013.01); B01D 2256/16 (2013.01); B01D 2256/24 (2013.01); B01D 2257/108 (2013.01); B01D 2257/702 (2013.01); C01B 2203/0405 (2013.01); C01B 2203/065 (2013.01); C01B 2203/146 (2013.01); C10G 49/22 (2013.01); C10G 70/041 (2013.01); C10L 3/102 (2013.01); C10L 2290/541 (2013.01); C10L 2290/543 (2013.01); C10L 2290/545 (2013.01);
Abstract
A gas stream comprising LPG and naphtha hydrocarbons is absorbed with a sponge absorbent to recover LPG and naphtha hydrocarbons. The gas stream may comprise stripper off gas and/or PSA tail gas. An absorbent stream may be a stripped stream. The stripper off gas stream and the stripped stream may be obtained from a stripper that is downstream of a hydroprocessing unit.