SE8303364D0 - KOLVATTENDISPERSION - Google Patents

KOLVATTENDISPERSION

Info

Publication number
SE8303364D0
SE8303364D0 SE8303364A SE8303364A SE8303364D0 SE 8303364 D0 SE8303364 D0 SE 8303364D0 SE 8303364 A SE8303364 A SE 8303364A SE 8303364 A SE8303364 A SE 8303364A SE 8303364 D0 SE8303364 D0 SE 8303364D0
Authority
SE
Sweden
Prior art keywords
coal
dispersant
anionic
added during
dewatering
Prior art date
Application number
SE8303364A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE451198B (en
SE8303364L (en
Inventor
Lars Lennart Stigsson
Original Assignee
Fluidcarbon International Ab
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 to AT82903239T priority Critical patent/ATE32747T1/en
Priority to DE8282903239T priority patent/DE3278166D1/en
Priority claimed from PCT/EP1982/000244 external-priority patent/WO1983003617A1/en
Priority claimed from SE8302149A external-priority patent/SE8302149L/en
Application filed by Fluidcarbon International Ab filed Critical Fluidcarbon International Ab
Publication of SE8303364D0 publication Critical patent/SE8303364D0/en
Priority to DE8383903622T priority patent/DE3375730D1/en
Priority to PCT/SE1983/000396 priority patent/WO1984001957A1/en
Priority to BR8307709A priority patent/BR8307709A/en
Priority to AT83903622T priority patent/ATE32607T1/en
Priority to EP83903622A priority patent/EP0143782B1/en
Priority to AU22621/83A priority patent/AU2262183A/en
Priority to ES529463A priority patent/ES8504905A1/en
Priority to IT8419466A priority patent/IT8419466A0/en
Priority to KR1019840002017A priority patent/KR910006132B1/en
Publication of SE8303364L publication Critical patent/SE8303364L/en
Priority to FI844890A priority patent/FI75862C/en
Publication of SE451198B publication Critical patent/SE451198B/en

Links

Classifications

    • 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, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
    • 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, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
    • C10L1/326—Coal-water suspensions
    • 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, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
    • C10L1/324—Dispersions containing coal, oil and water

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Liquid Carbonaceous Fuels (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

The dispersion contains: (i) at least 55 wt.% pulverised coal, the surface of which has been modified by adsorption of switterionic or other hydrophobising substances, added during flotation and/or dewatering; (ii) water; and (iii) as dispersant, an additive whose mol. has a hydrophobic segment with a strong affinity for the coal surface, contg. at least 2 aromatic rings, and attached to it an anionic or nonionic hydrophilic polymer chain or an anionic or nonionic graft copolymer with amphiphilic properties. - Coal flotation may be effected with the addn. of one or more of aliphatic alcohols, frothing agents, zwitterionic surfactants (e.g. lecithin) and alkyl sulphosuccinates. Surfactants which may be added during dewatering are alkylaryl sulphonates and alkylsulphosuccinates. - The dispersion is useful for transporting coal, and as an alternative to oil for steam prodn. or heating. Only half the concn. of dispersant is needed for the same effect on rheology as of conventional dispersants.(0/0)
SE8303364A 1982-04-05 1983-06-14 Aq. coal dispersion contains dispersant contg. aromatic rings SE451198B (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
AT82903239T ATE32747T1 (en) 1982-04-05 1982-11-12 COAL-WATER DISPERSION AND PROCESS FOR PRODUCTION.
DE8282903239T DE3278166D1 (en) 1982-04-05 1982-11-12 Coal-water dispersion and method of the manufacture thereof
AU22621/83A AU2262183A (en) 1982-11-12 1983-11-14 Kolvattendispersion
EP83903622A EP0143782B1 (en) 1982-11-12 1983-11-14 Coal-water dispersion
AT83903622T ATE32607T1 (en) 1982-11-12 1983-11-14 COAL-WATER DISPERSION.
BR8307709A BR8307709A (en) 1982-11-12 1983-11-14 DISPERSION CONTAINING WATER, ADDITIVES AND SPRAYED COAL
PCT/SE1983/000396 WO1984001957A1 (en) 1982-11-12 1983-11-14 Coal-water dispersion
DE8383903622T DE3375730D1 (en) 1982-11-12 1983-11-14 Coal-water dispersion
ES529463A ES8504905A1 (en) 1983-02-04 1984-02-03 Aq. coal dispersion contains ionic dispersant
IT8419466A IT8419466A0 (en) 1983-02-04 1984-02-06 DISPERSION OF CARBON IN WATER.
KR1019840002017A KR910006132B1 (en) 1983-04-18 1984-04-17 Method for producing a coal-water dispersion
FI844890A FI75862C (en) 1982-11-12 1984-12-11 Coal / water dispersion

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/EP1982/000244 WO1983003617A1 (en) 1982-04-05 1982-11-12 Coal-water dispersion and method of the manufacture thereof
SE8302149A SE8302149L (en) 1983-05-04 1983-04-18 KOLVATTENDISPERSION

Publications (3)

Publication Number Publication Date
SE8303364D0 true SE8303364D0 (en) 1983-06-14
SE8303364L SE8303364L (en) 1984-05-13
SE451198B SE451198B (en) 1987-09-14

Family

ID=26069305

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8303364A SE451198B (en) 1982-04-05 1983-06-14 Aq. coal dispersion contains dispersant contg. aromatic rings

Country Status (7)

Country Link
EP (1) EP0120953A1 (en)
KR (1) KR840008681A (en)
AU (2) AU9059782A (en)
ES (1) ES529456A0 (en)
SE (1) SE451198B (en)
WO (1) WO1984001958A1 (en)
ZA (2) ZA84859B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3621319A1 (en) * 1986-06-26 1988-01-14 Bayer Ag Coal/water slurries having improved behaviour under shear stress

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4358293A (en) * 1981-01-29 1982-11-09 Gulf & Western Manufacturing Co. Coal-aqueous mixtures
SE436891B (en) * 1981-09-22 1985-01-28 Carbogel Ab COMPOSITION INCLUDING FINE DISTRIBUTED COAL, WATER AND AT LEAST ONE POLYELECTROLYT

Also Published As

Publication number Publication date
EP0120953A1 (en) 1984-10-10
WO1984001958A1 (en) 1984-05-24
KR840008681A (en) 1984-12-17
ES8501793A1 (en) 1984-12-01
ZA84860B (en) 1984-12-24
AU2262283A (en) 1984-06-04
SE451198B (en) 1987-09-14
ZA84859B (en) 1985-02-27
AU9059782A (en) 1983-11-04
ES529456A0 (en) 1984-12-01
SE8303364L (en) 1984-05-13

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