DK556478A - Fremgangsmaade til udvinding af rent kul fra flotationskredsloeb - Google Patents

Fremgangsmaade til udvinding af rent kul fra flotationskredsloeb

Info

Publication number
DK556478A
DK556478A DK556478A DK556478A DK556478A DK 556478 A DK556478 A DK 556478A DK 556478 A DK556478 A DK 556478A DK 556478 A DK556478 A DK 556478A DK 556478 A DK556478 A DK 556478A
Authority
DK
Denmark
Prior art keywords
procedure
clean coal
extracting clean
flotation
cycles
Prior art date
Application number
DK556478A
Other languages
English (en)
Inventor
J M Antonnetti
G Snow
Original Assignee
Calgon Corp
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 Calgon Corp filed Critical Calgon Corp
Publication of DK556478A publication Critical patent/DK556478A/da

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
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/016—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L9/00—Treating solid fuels to improve their combustion
    • 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
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/01—Organic compounds containing nitrogen
    • 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
    • B03D2203/00—Specified materials treated by the flotation agents; Specified applications
    • B03D2203/02—Ores
    • B03D2203/04—Non-sulfide ores
    • B03D2203/08—Coal ores, fly ash or soot

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
DK556478A 1977-12-12 1978-12-11 Fremgangsmaade til udvinding af rent kul fra flotationskredsloeb DK556478A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/860,010 US4141691A (en) 1977-12-12 1977-12-12 Use of water soluble polymers in coal flotation circuits

Publications (1)

Publication Number Publication Date
DK556478A true DK556478A (da) 1979-06-13

Family

ID=25332302

Family Applications (1)

Application Number Title Priority Date Filing Date
DK556478A DK556478A (da) 1977-12-12 1978-12-11 Fremgangsmaade til udvinding af rent kul fra flotationskredsloeb

Country Status (5)

Country Link
US (1) US4141691A (da)
EP (1) EP0002633A1 (da)
AU (1) AU4220478A (da)
DK (1) DK556478A (da)
IT (1) IT7852261A0 (da)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4268379A (en) * 1977-12-23 1981-05-19 American Cyanamid Company Selective flocculation for increased coal recovery by froth flotation
US4252647A (en) * 1979-05-07 1981-02-24 Gulf Research & Development Company Filtration of a coal liquid slurry using an ethylene vinyl acetate copolymer
US4252648A (en) * 1979-05-07 1981-02-24 Gulf Research & Development Company Filtration of a coal liquid slurry using an alkylmethacrylate copolymer
US4255258A (en) * 1979-05-07 1981-03-10 Gulf Research & Development Company Filtration of a coal liquid slurry using an alkylmethacrylate copolymer and an alcohol
US4252646A (en) * 1979-05-07 1981-02-24 Gulf Research & Development Company Filtration of a coal liquid slurry using an ethylene vinyl acetate copolymer and an alcohol
US4251364A (en) * 1979-05-07 1981-02-17 Gulf Research & Development Company Filtration of a coal liquid slurry using polyisobutylene
US4260485A (en) * 1979-05-07 1981-04-07 Gulf Research & Development Company Filtration of a coal liquid slurry using polyisobutylene and an alcohol
AU5856080A (en) * 1979-06-01 1980-12-04 Calgon Corporation Flotation circuit additive
US4348287A (en) * 1981-05-26 1982-09-07 Petrolite Corporation Zirconium compounds as flotation aid
US4536186A (en) * 1984-05-02 1985-08-20 Calgon Corporation Use of poly (DMDAAC) as coal fine slurry viscosity reducer
US4673511A (en) * 1985-09-30 1987-06-16 Nalco Chemical Company Acrylamide diallyl dimethyl ammonium chloride copolymers as improved dewatering acids for mineral processing
US4826588A (en) * 1988-04-28 1989-05-02 The Dow Chemical Company Pyrite depressants useful in the separation of pyrite from coal
US5013452A (en) * 1989-06-23 1991-05-07 Petrolite Corporation Resolution of emulsions formed in the production of pharmaceuticals
GB9106747D0 (en) * 1991-03-28 1991-05-15 Fospur Ltd Froth flotation of fine particles
US20050055085A1 (en) * 2003-09-04 2005-03-10 Rivron Nicolas C. Implantable medical devices having recesses

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252769A (en) * 1966-05-24 Nagelvoort coal treatment system
DE1002703B (de) * 1955-10-19 1957-02-21 Erz U Kohle Flotation G M B H Verfahren zur Entwaesserung von Kohle, Erzen und anderen Mineralien
US3147218A (en) * 1959-04-24 1964-09-01 American Cyanamid Co Separating mineral fines with cationic polyacrylamides
GB981963A (en) * 1961-03-02 1965-02-03 Yorkshire Dyeware & Chem Co Clarification of coal washery effluent
US3782546A (en) * 1971-12-03 1974-01-01 Calgon Corp Cationic conditioning agents for potash flotation
CA988225A (en) * 1972-03-08 1976-04-27 Joseph M. Antonetti Conditioning agents for metal sulphide flotation
CA1039059A (en) * 1975-06-20 1978-09-26 Her Majesty The Queen, In Right Of Canada, As Represented By The Ministe R Of The National Research Council Of Canada Method of separating inorganic material from coal
US4076505A (en) * 1976-11-22 1978-02-28 Mobil Oil Corporation Coal desulfurization process

Also Published As

Publication number Publication date
EP0002633A1 (en) 1979-06-27
IT7852261A0 (it) 1978-12-12
US4141691A (en) 1979-02-27
AU4220478A (en) 1979-06-21

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