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:
Mar. 01, 2022
Filed:
Sep. 10, 2020
Applicant:
Syncrude Canada Ltd. IN Trust for the Owners of the Syncrude Project As Such Owners Exist Now and IN the Future, Calgary, CA;
Inventors:
Sujit Bhattacharya, Edmonton, CA;
Craig McKnight, Sherwood Park, CA;
Salvador Escobedo Salas, London, CA;
Hugo deLasa, London, CA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G 1/04 (2006.01); B01D 3/38 (2006.01); B01D 1/20 (2006.01);
U.S. Cl.
CPC ...
C10G 1/045 (2013.01); B01D 1/20 (2013.01); B01D 3/38 (2013.01); C10G 2300/807 (2013.01);
Abstract
A method for recovering hydrocarbon diluent present in froth treatment tailings, comprising introducing the tailings into a vessel; adding a first portion of steam into the vessel to form a vapour-tailings interface; and operating the vessel to increase the exposure of the tailings to the vapour-tailings interface formed in the vessel.