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Filtration of a coal liquid slurry using polyisobutylene

Patent ·
OSTI ID:6348065
;
The rate of filtration of a coal liquid slurry is increased by adding polyisobutylene to the slurry prior to filtration or by washing a precoat cake of filter aid with an oil solution of polyisobutylene prior to filtration.
Assignee:
Gulf Research and Development Co
Patent Number(s):
US 4251364
OSTI ID:
6348065
Country of Publication:
United States
Language:
English

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Related Subjects

01 COAL, LIGNITE, AND PEAT
010402 -- Coal
Lignite
& Peat-- Purification & Upgrading
013000* -- Coal
Lignite
& Peat-- Transport
Handling
& Storage
ADDITIVES
CARBONACEOUS MATERIALS
COAL
COAL LIQUIDS
DISPERSIONS
ENERGY SOURCES
FILTRATION
FLUIDS
FOSSIL FUELS
FUEL OILS
FUEL SLURRIES
FUELS
HYDROCARBONS
LIQUID FUELS
LIQUIDS
MATERIALS
MIXTURES
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
POLYENES
SEPARATION PROCESSES
SLURRIES
SOLVENT-REFINED COAL
SUSPENSIONS