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:
May. 03, 2016
Filed:
Sep. 27, 2013
Applicant:
Uop Llc, Des Plaines, IL (US);
Inventors:
Rajeswar R. Gattupalli, Arlington Heights, IL (US);
Beckay J. Mezza, Arlington Heights, IL (US);
Alakananda Bhattacharyya, Glen Ellyn, IL (US);
Carl J. Stevens, Lake Forest, IL (US);
Joao Jorge da Silva Ferreira Alves, Arlington Heights, IL (US);
Massimo Sangalli, Des Plaines, IL (US);
Assignee:
UOP LLC, Des Plaines, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G 21/28 (2006.01); B01D 11/04 (2006.01); C10G 21/06 (2006.01);
U.S. Cl.
CPC ...
C10G 21/28 (2013.01); B01D 11/04 (2013.01); B01D 11/0426 (2013.01); B01D 11/0446 (2013.01); C10G 21/06 (2013.01); C10G 2300/201 (2013.01); C10G 2300/4056 (2013.01); C10G 2300/4081 (2013.01);
Abstract
Recycle of an extract stream containing a contaminant is used to improve recovery of hydrocarbons in a contaminant removal process. At least a portion of an extract stream is recycled to a contaminant extraction zone and contacted with rich ionic liquid. Contaminants in the recycle extract stream are transferred to the rich ionic liquid.