Dewatering fine coal slurries using organopolysiloxanes

Patent · Tue Sep 22 00:00:00 EDT 1981

OSTI ID:6000597

Gordon, D J; Wessel, J K

Aqueous slurries of fine coal are dewatered by a process which comprises mixing an organopolysiloxane with the slurry, separating the slurry to recover the fine coal and further drying the fine coal, if desired. The use of water-soluble organopolysiloxanes or water-emulsifiable organopolysiloxanes provides improved separating and/or improved drying of fine coal in the dewatering process that is disclosed.

• Assignee: Dow Corning Corp
• Patent Number(s): US 4290896
• OSTI ID: 6000597
• Resource Relation: Patent File Date: Filed date 27 May 1980
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
COAL FINES
WATER REMOVAL
FUEL SLURRIES
DRYING
AQUEOUS SOLUTIONS
COAL PREPARATION
EMULSIFIERS
ORE PROCESSING
PARTICLE SIZE
SEPARATION PROCESSES
SILOXANES
ADDITIVES
COMMINUTION
DISPERSIONS
FUELS
MIXTURES
PROCESSING
REMOVAL
SIZE
SLURRIES
SOLUTIONS
SUSPENSIONS
013000* - Coal
Lignite
& Peat- Transport
Handling
& Storage