CA2216063A1 - Method for cleanup of contaminated sandy soils and recovery of hydrocarbons therefrom - Google Patents

Method for cleanup of contaminated sandy soils and recovery of hydrocarbons therefrom

Info

Publication number
CA2216063A1
CA2216063A1 CA 2216063 CA2216063A CA2216063A1 CA 2216063 A1 CA2216063 A1 CA 2216063A1 CA 2216063 CA2216063 CA 2216063 CA 2216063 A CA2216063 A CA 2216063A CA 2216063 A1 CA2216063 A1 CA 2216063A1
Authority
CA
Canada
Prior art keywords
slurry
sandy
soil
sandy soil
precleaned
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 2216063
Other languages
French (fr)
Other versions
CA2216063C (en
Inventor
Teresa Ignasiak
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
Application filed by Individual filed Critical Individual
Priority to CA 2216063 priority Critical patent/CA2216063C/en
Publication of CA2216063A1 publication Critical patent/CA2216063A1/en
Application granted granted Critical
Publication of CA2216063C publication Critical patent/CA2216063C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets
    • B03B9/02—General arrangement of separating plant, e.g. flow sheets specially adapted for oil-sand, oil-chalk, oil-shales, ozokerite, bitumen, or the like

Abstract

A method is provided for cleanup of the fine fraction (<= 1.0 mm) of sandy soils contaminated with heavy oil/ bitumen, chlorides and heavy metals and for recovery of heavy oil/ bitumen from aqueous slurries of these soils. The method includes the steps of screening the sandy soil, preparing hot aqueous slurry of prescreened soil, screening and heating the slurry in a slurry heater, separating oily froth and contaminated process water from the slurry of precleaned sandy soil and thickening the precleaned sandy soil in a separating/thickening vessel followed by reprocessing the thicken slurry of precleaned sandy soil. Reprocessing generates some additional quantities of residual oily froth and contaminated process water from the sandy oil which is washed with fresh water, dewatered and renders sandy soil that meets the criteria for agricultural soil in Canada.
CA 2216063 1997-11-19 1997-11-19 Method for cleanup of contaminated sandy soils and recovery of hydrocarbons therefrom Expired - Fee Related CA2216063C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2216063 CA2216063C (en) 1997-11-19 1997-11-19 Method for cleanup of contaminated sandy soils and recovery of hydrocarbons therefrom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2216063 CA2216063C (en) 1997-11-19 1997-11-19 Method for cleanup of contaminated sandy soils and recovery of hydrocarbons therefrom

Publications (2)

Publication Number Publication Date
CA2216063A1 true CA2216063A1 (en) 1999-05-19
CA2216063C CA2216063C (en) 2003-12-09

Family

ID=29275037

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2216063 Expired - Fee Related CA2216063C (en) 1997-11-19 1997-11-19 Method for cleanup of contaminated sandy soils and recovery of hydrocarbons therefrom

Country Status (1)

Country Link
CA (1) CA2216063C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105057331A (en) * 2015-08-21 2015-11-18 无锡乐华自动化科技有限公司 Soil baking, sterilizing and diluting device
CN105057332A (en) * 2015-08-21 2015-11-18 无锡乐华自动化科技有限公司 Soil sterilization and baking device
CN105057330A (en) * 2015-08-21 2015-11-18 无锡乐华自动化科技有限公司 Soil sterilizing, baking and purifying device
WO2019013614A1 (en) 2017-07-14 2019-01-17 Petroliam Nasional Berhad (Petronas) Sand cleaning and disposal system and method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105057331A (en) * 2015-08-21 2015-11-18 无锡乐华自动化科技有限公司 Soil baking, sterilizing and diluting device
CN105057332A (en) * 2015-08-21 2015-11-18 无锡乐华自动化科技有限公司 Soil sterilization and baking device
CN105057330A (en) * 2015-08-21 2015-11-18 无锡乐华自动化科技有限公司 Soil sterilizing, baking and purifying device
WO2019013614A1 (en) 2017-07-14 2019-01-17 Petroliam Nasional Berhad (Petronas) Sand cleaning and disposal system and method
EP3651872A4 (en) * 2017-07-14 2021-04-07 Petroliam Nasional Berhad (Petronas) Sand cleaning and disposal system and method
US11819784B2 (en) 2017-07-14 2023-11-21 Petroliam Nasional Berhad (Petronas) Sand cleaning and disposal system and method

Also Published As

Publication number Publication date
CA2216063C (en) 2003-12-09

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed