Aqueous coal slurry composition
An aqueous coal slurry composition is provided which comprises: (a) at least one compound selected from (a-1) a polyether polyol compound prepared by adding ethylene oxide and/or propylene oxide to an active hydrogen-containing compound, (a-2) a compound prepared by esterifying compound (a-1), (a-3) a compound prepared by phosphating, sulfating or carboxyalkylating compound (a-1) or a salt thereof, (a-4) a compound prepared by crosslinking compound (a-1) with a crosslinking agent, (a-5) a compound prepared by reacting compound (a-1) with epihalohydrin and (a-6) an isocyanate-erminated compound prepared by reacting compound (a-1) with a polyvalent isocyanate, (b) at least one surface active agent selected from (b-1) a sulfonation product of naphthalene or its salt or an aliphatic aldehyde addition condensate thereof, (b-2) an aliphatic aldehyde condensate of a sulfonic acid group-containing aminotriazine or its salt and (b-3) a sulfonation product of creosote oil or its salt or an aliphatic aldehyde addition condensate thereof, (c) water and (d) a coal powder. The aqueous coal slurry has good fluidity and static stability.
- Assignee:
- Kao Corporation (Japan); Lion Corporation (Japan)
- Patent Number(s):
- US 4470828
- OSTI ID:
- 6375641
- Resource Relation:
- Patent Priority Date: Priority date 18 Jan 1983, Japan; Other Information: PAT-APPL-458920
- Country of Publication:
- United States
- Language:
- English
Similar Records
Well cement slurries and dispersants therefor
H sub 2 S abatement with stabilized chelates in geothermal drilling
Related Subjects
FUEL SLURRIES
CHEMICAL COMPOSITION
CHEMICAL PREPARATION
AQUEOUS SOLUTIONS
CHEMICAL REACTION YIELD
COAL
COAL FINES
POLYETHYLENE GLYCOLS
SURFACTANTS
ALCOHOLS
CARBONACEOUS MATERIALS
DISPERSIONS
ENERGY SOURCES
FOSSIL FUELS
FUELS
GLYCOLS
HYDROXY COMPOUNDS
MATERIALS
MIXTURES
ORGANIC COMPOUNDS
ORGANIC POLYMERS
POLYMERS
SLURRIES
SOLUTIONS
SUSPENSIONS
SYNTHESIS
YIELDS
013000* - Coal
Lignite
& Peat- Transport
Handling
& Storage