CA2024519A1 - Solvent and water/surfactant process for removal of bitumen from tar sands contaminated with clay - Google Patents

Solvent and water/surfactant process for removal of bitumen from tar sands contaminated with clay

Info

Publication number
CA2024519A1
CA2024519A1 CA2024519A CA2024519A CA2024519A1 CA 2024519 A1 CA2024519 A1 CA 2024519A1 CA 2024519 A CA2024519 A CA 2024519A CA 2024519 A CA2024519 A CA 2024519A CA 2024519 A1 CA2024519 A1 CA 2024519A1
Authority
CA
Canada
Prior art keywords
bitumen
solvent
clay
water
removal
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
CA2024519A
Other languages
French (fr)
Other versions
CA2024519C (en
Inventor
E. Park Guymon
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US07/490,089 external-priority patent/US4968412A/en
Application filed by Individual filed Critical Individual
Publication of CA2024519A1 publication Critical patent/CA2024519A1/en
Priority claimed from PCT/US1993/009660 external-priority patent/WO1995010369A2/en
Application granted granted Critical
Publication of CA2024519C publication Critical patent/CA2024519C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Working-Up Tar And Pitch (AREA)
  • Detergent Compositions (AREA)

Abstract

This invention involves the separation of clay-contaminated bitumen from sand with a solvent. The bitumen is dissolved with an organic solvent such as condensate from a natural gas well.
The clay is separated from the dissolved bitumen and the solvent is recovered and recycled. The sand is washed with water containing a carefully selected, nonanionic surface active agent to remove residual bitumen and solvent. Prior removal of the clay precludes it from unduly contaminating the water.
CA002024519A 1990-03-07 1990-09-04 Solvent and water/surfactant process for removal of bitumen from tar sands contaminated with clay Expired - Fee Related CA2024519C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
USC.I.P.07/490,089 1990-03-07
US07/490,089 US4968412A (en) 1989-01-17 1990-03-07 Solvent and water/surfactant process for removal of bitumen from tar sands contaminated with clay
PCT/US1993/009660 WO1995010369A2 (en) 1990-03-07 1993-10-12 Water/surfactant process for recovering hydrocarbons from soil in the absence of emulsifying the oil

Publications (2)

Publication Number Publication Date
CA2024519A1 true CA2024519A1 (en) 1991-09-08
CA2024519C CA2024519C (en) 1996-09-24

Family

ID=23946593

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002024519A Expired - Fee Related CA2024519C (en) 1990-03-07 1990-09-04 Solvent and water/surfactant process for removal of bitumen from tar sands contaminated with clay

Country Status (1)

Country Link
CA (1) CA2024519C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008053902A1 (en) 2008-10-30 2010-05-20 Hölter, Heinz, Prof. Dr.sc. Dr.-Ing. Dr.hc. Bitumen products and heavy minerals production involves preparing lubricant feed charge, where prepared lubricant feed charge is contacted with conditioning agent to form suspension

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008053902A1 (en) 2008-10-30 2010-05-20 Hölter, Heinz, Prof. Dr.sc. Dr.-Ing. Dr.hc. Bitumen products and heavy minerals production involves preparing lubricant feed charge, where prepared lubricant feed charge is contacted with conditioning agent to form suspension

Also Published As

Publication number Publication date
CA2024519C (en) 1996-09-24

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed