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:
Nov. 17, 2020
Filed:
Sep. 22, 2015
Fina Technology, Inc., Houston, TX (US);
James Assef, Pearland, TX (US);
Scott Cooper, Humble, TX (US);
Kaushik Gandhi, League City, TX (US);
FINA TECHNOLOGY, INC., Houston, TX (US);
Abstract
A process is provided including subjecting a raw Cstream containing Cdiolefins to extractive distillation to form Cdiolefins and a raffinate stream. The process includes subjecting the raffinate stream to dehydrogenation to form additional Cdiolefins, which are recycled to the extractive distillation. Another process includes modifying a Cdiolefin extractive distillation unit by forming a recycle loop with a Colefin dehydrogenation reactor. A system is provided that includes a Cdiolefin extractive distillation unit and a Colefin dehydrogenation reactor that are arranged in a recycle loop. A process is provided that includes subjecting a raffinate stream containing Colefins from an extractive distillation unit to dehydrogenation to form Cdiolefins.