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. 18, 2016
Filed:
Jan. 28, 2015
Applicant:
Syncrude Canada Ltd. IN Trust for the Owners of the Syncrude Project As Such Owners Exist Now and, Fort McMurray, CA;
Inventors:
Jun Long, Edmonton, CA;
Yong Joe Gu, Edmonton, CA;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G 1/04 (2006.01);
U.S. Cl.
CPC ...
C10G 1/047 (2013.01);
Abstract
A process for extracting bitumen from an oil sand ore having a fines content up to about 60% and a bitumen content higher than about 6% is provided, comprising mixing the oil sand ore with heated water to form an oil sand slurry; conditioning the oil sand slurry to form a conditioned oil sand slurry; introducing a dosage of sodium citrate to the process either prior to or during the mixing step, or prior to or during the conditioning step, or both; and introducing the conditioned oil sand slurry into a separation zone to form a bitumen froth and tailings.