Conditioner for flotation of oxidized coal
Patent
·
OSTI ID:5834914
Condensation products of a fatty acid or fatty acid ester and a hydroxyalkylated polyalkylenepolyamine are useful as conditioners to improve the recovery of clean coal in a froth flotation process. The presence of these condensation products in the flotation medium is particularly effective to enhance the recovery of oxidized bituminous coal.
- Assignee:
- Dow Chemical Co The
- Patent Number(s):
- US 4305815
- OSTI ID:
- 5834914
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
013000* -- Coal
Lignite
& Peat-- Transport
Handling
& Storage
ADDITIVES
AMINES
BITUMINOUS COAL
BLACK COAL
CARBONACEOUS MATERIALS
CARBOXYLIC ACID ESTERS
CARBOXYLIC ACIDS
COAL
COLLOIDS
DISPERSIONS
ENERGY SOURCES
ESTERS
FLOTATION
FOAM SEPARATION
FOAMS
FOSSIL FUELS
FUELS
MATERIALS
ORGANIC ACIDS
ORGANIC COMPOUNDS
SEPARATION PROCESSES
013000* -- Coal
Lignite
& Peat-- Transport
Handling
& Storage
ADDITIVES
AMINES
BITUMINOUS COAL
BLACK COAL
CARBONACEOUS MATERIALS
CARBOXYLIC ACID ESTERS
CARBOXYLIC ACIDS
COAL
COLLOIDS
DISPERSIONS
ENERGY SOURCES
ESTERS
FLOTATION
FOAM SEPARATION
FOAMS
FOSSIL FUELS
FUELS
MATERIALS
ORGANIC ACIDS
ORGANIC COMPOUNDS
SEPARATION PROCESSES