CA1091622A - Coal recovery system from mine tailings - Google Patents

Coal recovery system from mine tailings

Info

Publication number
CA1091622A
CA1091622A CA284,139A CA284139A CA1091622A CA 1091622 A CA1091622 A CA 1091622A CA 284139 A CA284139 A CA 284139A CA 1091622 A CA1091622 A CA 1091622A
Authority
CA
Canada
Prior art keywords
coal
water
organic liquid
solids
gangue
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.)
Expired
Application number
CA284,139A
Other languages
English (en)
French (fr)
Inventor
James D. Deimler
Thomas A. Vivian
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of CA1091622A publication Critical patent/CA1091622A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
    • B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
    • B03B5/44—Application of particular media therefor
    • B03B5/442—Application of particular media therefor composition of heavy media
    • 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
    • B03B1/00—Conditioning for facilitating separation by altering physical properties of the matter to be treated
    • B03B1/04—Conditioning for facilitating separation by altering physical properties of the matter to be treated by additives
    • 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
    • B03B9/005—General arrangement of separating plant, e.g. flow sheets specially adapted for coal
    • 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
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D3/00—Differential sedimentation

Landscapes

  • Liquid Carbonaceous Fuels (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Processing Of Solid Wastes (AREA)
CA284,139A 1976-08-16 1977-08-04 Coal recovery system from mine tailings Expired CA1091622A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US71473776A 1976-08-16 1976-08-16
US714,737 1976-08-16
US79301877A 1977-05-02 1977-05-02
US793,018 1977-05-02

Publications (1)

Publication Number Publication Date
CA1091622A true CA1091622A (en) 1980-12-16

Family

ID=27109204

Family Applications (1)

Application Number Title Priority Date Filing Date
CA284,139A Expired CA1091622A (en) 1976-08-16 1977-08-04 Coal recovery system from mine tailings

Country Status (7)

Country Link
JP (1) JPS5323803A (en。)
AU (1) AU511234B2 (en。)
CA (1) CA1091622A (en。)
DE (1) DE2736801A1 (en。)
FR (1) FR2361940A1 (en。)
GB (1) GB1584673A (en。)
IN (1) IN147345B (en。)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103657838A (zh) * 2013-12-09 2014-03-26 广州有色金属研究院 一种从煤矸石中回收黄铁矿的方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001003843A1 (en) * 1999-07-08 2001-01-18 The Governors Of The University Of Alberta Process for treating fine coal particles
US6767465B1 (en) 1999-07-08 2004-07-27 Govenors Of The University Of Alberta Process for treating fine coal particles
CN106607183B (zh) * 2017-02-09 2019-11-08 中国矿业大学 一种模块化高密度煤系油页岩提质工艺及提质系统
EP3412754B1 (de) * 2017-06-08 2020-08-05 L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude Feinkohleeinsatz für einen festbettdruckvergaser
JP7215199B2 (ja) * 2018-02-06 2023-01-31 日本製鉄株式会社 分離方法、親水性粒子の回収方法、及び疎水性粒子の回収方法
CN114247554A (zh) * 2021-12-03 2022-03-29 内蒙古科技大学 一种选取煤矸石中有价矿物的方法
CN117309926B (zh) * 2023-11-28 2024-02-02 中国矿业大学(北京) 一种利用活性微纳米气泡水提高煤矸石识别准确率的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2151578A (en) * 1937-08-27 1939-03-21 Du Pont Method of and apparatus for isolating minerals
US2686592A (en) * 1949-11-18 1954-08-17 Hugo S Miller Process for separating minerals
DE974151C (de) * 1951-03-20 1960-09-29 Bergwerksverband Ges Mit Besch Verfahren zur Gewinnung hochwertiger Brennstoffe aus Stein- oder Braunkohle enthaltendem Rohgut
US3608717A (en) * 1969-07-01 1971-09-28 Brown & Williamson Tobacco Method and apparatus for the liquid separation of a mixture of materials
DE2346742C3 (de) * 1972-12-29 1979-02-01 Texaco Development Corp., New York, N.Y. (V.St.A.) Verfahren zur Entfernung von Kohlenstoffpartikeln aus einer wäßrigen Dispersion

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103657838A (zh) * 2013-12-09 2014-03-26 广州有色金属研究院 一种从煤矸石中回收黄铁矿的方法

Also Published As

Publication number Publication date
GB1584673A (en) 1981-02-18
AU511234B2 (en) 1980-08-07
FR2361940B1 (en。) 1981-12-11
IN147345B (en。) 1980-02-09
AU2788477A (en) 1979-02-22
DE2736801A1 (de) 1978-02-23
FR2361940A1 (fr) 1978-03-17
JPS5323803A (en) 1978-03-04

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Legal Events

Date Code Title Description
MKEX Expiry