OIL SAND SLURRY SOLIDS REDUCTION TO ENHANCE EXTRACTION PERFORMANCE FOR PROBLEM ORES

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United States of America Patent

APP PUB NO 20110127198A1
SERIAL NO

12938206

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Abstract

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A process for extracting bitumen from problem oil sand ores having low bitumen content and/or high fines content is provided, comprising: mixing the problem oil sand ore with heated water to produce an oil sand slurry; conditioning the oil sand slurry for a period of time sufficient to substantially disperse oil sand lumps and promote the release and coalescence of bitumen flecks from the sand grains; removing a sufficient amount of solids from the conditioned oil sand slurry in a de-sander circuit; and subjecting the solids-reduced oil sand slurry to gravity separation in a bitumen separation vessel to allow the bitumen to float to the top of the vessel to form clean bitumen froth.

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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 FUTURE9911 MACDONALD AVENUE FORT MCMURRAY T9H 1S7

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
CYMERMAN, GEORGE Edmonton, CA 11 167
LONG, JUN Edmonton, CA 108 878
SIY, ROBERT Edmonton, CA 7 59
VANDENBERGHE, JESSICA Edmonton, CA 4 27

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