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. 05, 2021
Filed:
May. 29, 2019
Uop Llc, Des Plaines, IL (US);
Mander Singh, Barrington, IL (US);
Charles P Luebke, Mount Prospect, IL (US);
Trung Pham, Mount Prospect, IL (US);
Steven Kozup, Chicago, IL (US);
Carl Liskey, Chicago, IL (US);
Simon E. Albo, Evanston, IL (US);
Saadet Ulas Acikgoz, Des Plaines, IL (US);
Chunqing Liu, Des Plaines, IL (US);
UOP LLC, Des Plaines, IL (US);
Abstract
Systems and processes are provided to prevent light ends such as methane, ethylene and ethane from building up in an olefin/paraffin separation system that uses a combination of a membrane and distillation column for this separation. In one embodiment a small stripper column is provided downstream from a selective hydrogenation reactor. In the other embodiment, a surge vessel with a receiver is added to the retentate stream of the membrane unit.