Process for producing high-concentration slurry of coal

Patent · Tue Feb 19 00:00:00 EST 1985

OSTI ID:5591222

Nakaoji, K; Itoh, H; Kamao, M; Takao, Sh; Tatsumi, Sh

High concentrated coal-water slurry is produced by coarsely crushing coal, thereafter pulverizing the coarsely crushed coal, together with water and a slurry dispersant, according to necessity, in a wet-type ball mill, and feeding back one portion of the finely pulverized coal slurry thus obtained into the inlet of the wet-type ball mill.

• Assignee: Lion Corporation (Japan); Kao Corporation (Japan); Mitsui Engineering and Shipbuilding Company (Japan)
• Patent Number(s): US 4500041
• OSTI ID: 5591222
• Resource Relation: Patent Priority Date: Priority date 3 Dec 1982, Japan; Other Information: PAT-APPL-446604
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
FUEL SLURRIES
CHEMICAL PREPARATION
PRODUCTION
ADDITIVES
COAL
COAL FINES
COAL PREPARATION
CRUSHING
MIXTURES
WATER
CARBONACEOUS MATERIALS
COMMINUTION
DISPERSIONS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HYDROGEN COMPOUNDS
MATERIALS
OXYGEN COMPOUNDS
SLURRIES
SUSPENSIONS
SYNTHESIS
013000* - Coal
Lignite
& Peat- Transport
Handling
& Storage