DE2736801A1 - Verfahren zur gewinnung von kohle aus bergwerkrueckstaenden - Google Patents

Verfahren zur gewinnung von kohle aus bergwerkrueckstaenden

Info

Publication number
DE2736801A1
DE2736801A1 DE19772736801 DE2736801A DE2736801A1 DE 2736801 A1 DE2736801 A1 DE 2736801A1 DE 19772736801 DE19772736801 DE 19772736801 DE 2736801 A DE2736801 A DE 2736801A DE 2736801 A1 DE2736801 A1 DE 2736801A1
Authority
DE
Germany
Prior art keywords
water
coal
organic liquid
solids
ash
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.)
Ceased
Application number
DE19772736801
Other languages
German (de)
English (en)
Inventor
James Dennis Deimler
Thomas Alfred 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
Publication of DE2736801A1 publication Critical patent/DE2736801A1/de
Ceased 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)
DE19772736801 1976-08-16 1977-08-16 Verfahren zur gewinnung von kohle aus bergwerkrueckstaenden Ceased DE2736801A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71473776A 1976-08-16 1976-08-16
US79301877A 1977-05-02 1977-05-02

Publications (1)

Publication Number Publication Date
DE2736801A1 true DE2736801A1 (de) 1978-02-23

Family

ID=27109204

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772736801 Ceased DE2736801A1 (de) 1976-08-16 1977-08-16 Verfahren zur gewinnung von kohle aus bergwerkrueckstaenden

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3412754A1 (de) * 2017-06-08 2018-12-12 L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude Feinkohleeinsatz für einen festbettdruckvergaser

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5669100A (en) * 1999-07-08 2001-01-30 Governors Of The University Of Alberta, The 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
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
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
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

Citations (3)

* 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
US3608717A (en) * 1969-07-01 1971-09-28 Brown & Williamson Tobacco Corp Method and apparatus for the liquid separation of a mixture of materials
DE2346742B2 (de) * 1972-12-29 1978-06-01 Texaco Development Corp., New York, N.Y. (V.St.A.) Verfahren zur Entfernung von Kohlenstoffpartikeln aus einer wäßrigen Dispersion

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (3)

* 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
US3608717A (en) * 1969-07-01 1971-09-28 Brown & Williamson Tobacco Corp Method and apparatus for the liquid separation of a mixture of materials
DE2346742B2 (de) * 1972-12-29 1978-06-01 Texaco Development Corp., New York, N.Y. (V.St.A.) Verfahren zur Entfernung von Kohlenstoffpartikeln aus einer wäßrigen Dispersion

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DE-Bericht A IV 2 des Int. Kongr. für Steinkohlenaufbereitung 1954 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3412754A1 (de) * 2017-06-08 2018-12-12 L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude Feinkohleeinsatz für einen festbettdruckvergaser
WO2018224186A1 (en) * 2017-06-08 2018-12-13 L'air Liquide, Société Anonyme Pour L'etude Et L'exploitation Des Precédés Georges Claude Fine coal feed for a fixed-bed pressure gasifier

Also Published As

Publication number Publication date
FR2361940B1 (OSRAM) 1981-12-11
JPS5323803A (en) 1978-03-04
AU2788477A (en) 1979-02-22
GB1584673A (en) 1981-02-18
IN147345B (OSRAM) 1980-02-09
CA1091622A (en) 1980-12-16
FR2361940A1 (fr) 1978-03-17
AU511234B2 (en) 1980-08-07

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: B03B 5/30

8131 Rejection