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:
Oct. 15, 2019
Filed:
Aug. 11, 2017
Uop Llc, Des Plaines, IL (US);
Priyesh Jayendrakumar Jani, Gurgaon, IN;
Deepak Bisht, New Delhi, IN;
Tuhin Suvra Khan, Gurgaon, IN;
Ram Ganesh Rokkam, Visakhapatnam, IN;
Pijus Kanti Roy, New Delhi, IN;
Steven F. Zink, Westmont, IL (US);
Avnish Kumar, Alwar, IN;
UOP LLC, Des Plaines, IL (US);
Abstract
A process and apparatus for reducing the sulfur content of naphtha. The process includes introducing at least a portion of a naphtha feed stream to a selective hydrodesulfurization zone under selective hydrodesulfurization conditions in the presence of a selective hydrodesulfurization catalyst to form a low sulfur stream which contains mercaptan and thiophene compounds. At least a portion of the low sulfur stream is separated into at least two streams, a mercaptan rich stream containing mercaptan and thiophene compounds and an overhead stream containing hydrogen sulfide and liquid petroleum gas. The mercaptan rich stream is treated in an adsorbent zone to remove at least a portion of the mercaptan and thiophene compounds to form a mercaptan lean stream.