JPS5718793A - Granulation of coal-water slurry - Google Patents

Granulation of coal-water slurry

Info

Publication number
JPS5718793A
JPS5718793A JP9284980A JP9284980A JPS5718793A JP S5718793 A JPS5718793 A JP S5718793A JP 9284980 A JP9284980 A JP 9284980A JP 9284980 A JP9284980 A JP 9284980A JP S5718793 A JPS5718793 A JP S5718793A
Authority
JP
Japan
Prior art keywords
coal
slurry
granulation
oil
granulated
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
JP9284980A
Other languages
Japanese (ja)
Inventor
Masaaki Yamamura
Shinichi Watanabe
Takeshi Kawaguchi
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 JP9284980A priority Critical patent/JPS5718793A/en
Publication of JPS5718793A publication Critical patent/JPS5718793A/en
Pending legal-status Critical Current

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

Abstract

PURPOSE: When powdery coal is granulated by a wet method, a gas is introduced into or evolved in the slurry to increase the affinity between the binder of oil and the coal particles carrying bubbles on the surface and facilitate the granulation using a small amount of oil and little energy.
CONSTITUTION: An aqueous slurry of powdered coal is mixed with oil as a binder and the pwdered coal is granulated in water wherein fine bubbles are introduced or evolved in the slurry by forcing a gas from a pipe into the lower part of the slurry or bubbling and the wet granulation is conducted. When a surfactant is added to the coal slurry as a granulation accelerator, this effect is further intensified. As the surfactant, is preferably used a sulfate ester salt of formula I (R1 is 4W22C aliphatic group; a, b, c are 0W50) or a sulfosuccinate ester salt of formula II (R2, R3 are H, 4W22C alkyl).
COPYRIGHT: (C)1982,JPO&Japio
JP9284980A 1980-07-08 1980-07-08 Granulation of coal-water slurry Pending JPS5718793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9284980A JPS5718793A (en) 1980-07-08 1980-07-08 Granulation of coal-water slurry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9284980A JPS5718793A (en) 1980-07-08 1980-07-08 Granulation of coal-water slurry

Publications (1)

Publication Number Publication Date
JPS5718793A true JPS5718793A (en) 1982-01-30

Family

ID=14065868

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9284980A Pending JPS5718793A (en) 1980-07-08 1980-07-08 Granulation of coal-water slurry

Country Status (1)

Country Link
JP (1) JPS5718793A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5773083A (en) * 1980-10-24 1982-05-07 Kawasaki Heavy Ind Ltd Granulating method of coal and apparatus thereof
US5565344A (en) * 1990-12-07 1996-10-15 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Process for production of D-α-amino acids
US5824522A (en) * 1990-12-07 1998-10-20 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Recombinant decarbamylases for producing D-α-amino acids
US5863785A (en) * 1992-10-05 1999-01-26 Kanegafuchi Chemical Industry Co., Ltd. Decarbamylase isolated from comamonas or blastobacter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS564693A (en) * 1979-06-19 1981-01-19 Atlantic Richfield Co Reduction of sulfur and ash content of coal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS564693A (en) * 1979-06-19 1981-01-19 Atlantic Richfield Co Reduction of sulfur and ash content of coal

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5773083A (en) * 1980-10-24 1982-05-07 Kawasaki Heavy Ind Ltd Granulating method of coal and apparatus thereof
US5565344A (en) * 1990-12-07 1996-10-15 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Process for production of D-α-amino acids
US5824522A (en) * 1990-12-07 1998-10-20 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Recombinant decarbamylases for producing D-α-amino acids
US5863785A (en) * 1992-10-05 1999-01-26 Kanegafuchi Chemical Industry Co., Ltd. Decarbamylase isolated from comamonas or blastobacter
US5902736A (en) * 1992-10-05 1999-05-11 Kanegafuchi Chemical Industry Co., Ltd. Process for the production of D-α-amino acids by hydrolysis of the corresponding N-carbamyl derivative

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