CA2101240A1 - Low temperature separation of bitumen from oilsands - Google Patents

Low temperature separation of bitumen from oilsands

Info

Publication number
CA2101240A1
CA2101240A1 CA 2101240 CA2101240A CA2101240A1 CA 2101240 A1 CA2101240 A1 CA 2101240A1 CA 2101240 CA2101240 CA 2101240 CA 2101240 A CA2101240 A CA 2101240A CA 2101240 A1 CA2101240 A1 CA 2101240A1
Authority
CA
Canada
Prior art keywords
bitumen
sodium hydroxide
hydroxide solution
aqueous phase
oilsands
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2101240
Other languages
French (fr)
Other versions
CA2101240C (en
Inventor
Michael A. Kessick
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ALBERTA ALKALI PETROLEUMS Ltd
Original Assignee
Michael A. Kessick
Alberta Alkali Petroleums Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Michael A. Kessick, Alberta Alkali Petroleums Limited filed Critical Michael A. Kessick
Publication of CA2101240A1 publication Critical patent/CA2101240A1/en
Application granted granted Critical
Publication of CA2101240C publication Critical patent/CA2101240C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

Bitumen is recovered from oil sands in an ambient temperature procedure in which the oil sands first are subjected to attrition in the presence of an aqueous sodium hydroxide solution to form a slurry of pH at least about 11.5. Sand, freed from bitumen, usually is separated from the slurry, which then is diluted with further quantities of aqueous sodium hydroxide solution while maintaining the pH value, so as to provide the bitumen in a form which can be separated from the aqueous phase by flotation. The bitumen is floated off from the aqueous phase comprising a clay suspension and then forwarded to an upgrading operation. A second bitumen flotation also may be effected following addition of calcium hydroxide to the remaining aqueous phase. The clay suspension may be flocculated and dewatered and the resulting sodium hydroxide solution recycled to the attrition and/or dilution steps.
CA 2101240 1992-07-23 1993-07-23 Low temperature separation of bitumen from oilsands Expired - Fee Related CA2101240C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929215651A GB9215651D0 (en) 1992-07-23 1992-07-23 Low temperature separation of bitumen from oilsands
GB9215651.2 1992-07-23

Publications (2)

Publication Number Publication Date
CA2101240A1 true CA2101240A1 (en) 1994-01-24
CA2101240C CA2101240C (en) 1999-12-14

Family

ID=10719166

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2101240 Expired - Fee Related CA2101240C (en) 1992-07-23 1993-07-23 Low temperature separation of bitumen from oilsands

Country Status (2)

Country Link
CA (1) CA2101240C (en)
GB (1) GB9215651D0 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7404903B2 (en) 2006-02-03 2008-07-29 Rj Oil Sands Inc. Drill cuttings treatment system
US8137566B2 (en) 2007-07-16 2012-03-20 Rj Oil Sands Inc. Recovery of tailings ponds
WO2018027334A1 (en) * 2016-08-11 2018-02-15 Schwarze Fraile Juan Francisco Method for extracting organic carbon and/or bitumen from ores of metal sulfides or polymetal sulfides
US10745623B2 (en) 2016-01-29 2020-08-18 Ecolab Usa Inc. Methods for enhancing hydrocarbon recovery from oil sands

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7404903B2 (en) 2006-02-03 2008-07-29 Rj Oil Sands Inc. Drill cuttings treatment system
US8137566B2 (en) 2007-07-16 2012-03-20 Rj Oil Sands Inc. Recovery of tailings ponds
US10745623B2 (en) 2016-01-29 2020-08-18 Ecolab Usa Inc. Methods for enhancing hydrocarbon recovery from oil sands
WO2018027334A1 (en) * 2016-08-11 2018-02-15 Schwarze Fraile Juan Francisco Method for extracting organic carbon and/or bitumen from ores of metal sulfides or polymetal sulfides
AU2017310348B2 (en) * 2016-08-11 2021-03-04 Juan Francisco SCHWARZE FRAILE Method for extracting organic carbon and/or bitumen from ores of metal sulfides or polymetal sulfides

Also Published As

Publication number Publication date
GB9215651D0 (en) 1992-09-09
CA2101240C (en) 1999-12-14

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Legal Events

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