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JPS5688495A - Granulating agent used in aqueous slurry of coal powder - Google Patents

Granulating agent used in aqueous slurry of coal powder

Info

Publication number
JPS5688495A
JPS5688495A JP16647579A JP16647579A JPS5688495A JP S5688495 A JPS5688495 A JP S5688495A JP 16647579 A JP16647579 A JP 16647579A JP 16647579 A JP16647579 A JP 16647579A JP S5688495 A JPS5688495 A JP S5688495A
Authority
JP
Japan
Prior art keywords
produced
block copolymer
granulating agent
coal powder
cationizing
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.)
Pending
Application number
JP16647579A
Other languages
Japanese (ja)
Inventor
Masaaki Yamamura
Shinichi Watanabe
Noboru Moriyama
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.)
Kao Corp
Original Assignee
Kao 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 Kao Corp filed Critical Kao Corp
Priority to JP16647579A priority Critical patent/JPS5688495A/en
Publication of JPS5688495A publication Critical patent/JPS5688495A/en
Pending legal-status Critical Current

Links

Landscapes

  • Liquid Carbonaceous Fuels (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

PURPOSE: Titled granulating agent which promotes granulation of coal powder in water and facilitates removal of ashes and minerals, comprising, as a principal component, a cationic surfactant prepared by cationizing the nitrogen atoms in a specified block copolymer with a cationizing agent.
CONSTITUTION: A block copolymer, average MW 800W45,000, is produced by adding at least two alkylene oxides such as ethylene oxide and propylene oxide to an amino compound having at least two active hydrogenatoms in the molecule, such as octylamine, ethylenediamine or triethanolamine, so as to form a block structure. The number of mols of an alkylene oxide to be added is preferably, 10W800mol for ethylene oxide and 8W200mol for propylene oxide. Next, the nitrogen atoms of the resulting block copolymer are cationized with a cationizing agent such as a methyl halide or dimethyl sulfate. Titled granulating agent is then produced by using the above-produced cationic surfactant as a principal component.
COPYRIGHT: (C)1981,JPO&Japio
JP16647579A 1979-12-21 1979-12-21 Granulating agent used in aqueous slurry of coal powder Pending JPS5688495A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16647579A JPS5688495A (en) 1979-12-21 1979-12-21 Granulating agent used in aqueous slurry of coal powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16647579A JPS5688495A (en) 1979-12-21 1979-12-21 Granulating agent used in aqueous slurry of coal powder

Publications (1)

Publication Number Publication Date
JPS5688495A true JPS5688495A (en) 1981-07-17

Family

ID=15832079

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16647579A Pending JPS5688495A (en) 1979-12-21 1979-12-21 Granulating agent used in aqueous slurry of coal powder

Country Status (1)

Country Link
JP (1) JPS5688495A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5825389A (en) * 1981-08-07 1983-02-15 Dai Ichi Kogyo Seiyaku Co Ltd Additive for agglomerating powder coal in coal/water slurry
US4492590A (en) * 1982-12-06 1985-01-08 Diamond Shamrock Chemicals Company Stabilizers for oil slurries of carbonaceous material
DE3621319A1 (en) * 1986-06-26 1988-01-14 Bayer Ag Coal/water slurries having improved behaviour under shear stress

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5825389A (en) * 1981-08-07 1983-02-15 Dai Ichi Kogyo Seiyaku Co Ltd Additive for agglomerating powder coal in coal/water slurry
JPH0132875B2 (en) * 1981-08-07 1989-07-10 Dai Ichi Kogyo Seiyaku Co Ltd
US4492590A (en) * 1982-12-06 1985-01-08 Diamond Shamrock Chemicals Company Stabilizers for oil slurries of carbonaceous material
DE3621319A1 (en) * 1986-06-26 1988-01-14 Bayer Ag Coal/water slurries having improved behaviour under shear stress

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