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. 23, 2017
Filed:
Aug. 24, 2012
Jonathan Spence, Edmonton, CA;
Barry Bara, Edmonton, CA;
Jim Lorentz, Fort McMurray, CA;
Randy Mikula, Edmonton, CA;
Jiwon Lee, Fort McMurray, CA;
Richard Daniel Lahaie, Canmore, CA;
Jonathan Spence, Edmonton, CA;
Barry Bara, Edmonton, CA;
Jim Lorentz, Fort McMurray, CA;
Randy Mikula, Edmonton, CA;
Jiwon Lee, Fort McMurray, CA;
Richard Daniel Lahaie, Canmore, CA;
SYNCRUDE CANADA LTD., Fort McMurray, CA;
Abstract
A process for dewatering oil sands tailings is provided, comprising providing a tailings feed having a solids content in the range of about 10 wt % to about 45 wt %; adding a flocculant to the tailings feed and mixing the tailings feed and flocculant to form flocs; and centrifuging the flocculated tailings feed to produce a centrate having a solids content of less than about 3 wt % and a cake having a solids content of at least about 50 wt %.