Centrifuge process for dewatering oil sands tailings

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United States of America Patent

PATENT NO 9656189
SERIAL NO

13594402

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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 %.

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Patent Owner(s)

Patent OwnerAddress
SYNCRUDE CANADA LTD IN TRUST FOR THE OWNERS OF THE SYNCRUDE PROJECT AS SUCH OWNERS EXIST NOW AND IN THE FUTURE9421 17 AVENUE NW EDMONTON ALBERTA T6N 1H4

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bara, Barry Edmonton, CA 25 164
Lahaie, Richard Daniel Canmore, CA 1 10
Lee, Jiwon Fort McMurray, CA 105 150
Lorentz, Jim Fort McMurray, CA 6 72
Mikula, Randy Edmonton, CA 18 80
Spence, Jonathan Edmonton, CA 16 104

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