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Solvent dewaxing waxy hydrocarbon oils using dewaxing aid

Patent ·
OSTI ID:5377887
; ; ;
In a solvent dewaxing process wherein a waxy hydrocarbon oil is mixed with a dewaxing aid and dewaxing solvent and chilled to form a slurry comprising solid particles of wax and a mixture of dewaxed oil and solvent, the improvement which comprises using a polymeric dewaxing aid comprising a condensation product of naphthalene and chlorinated wax having an average molecular weight ranging from about 20,000 to 500,000 and a molecular weight distribution exceeding the range of from about 10,000 to 1 ,000,000.
Assignee:
Toa Nenryo Kogyo K K (Japan)
Patent Number(s):
US 4315813
OSTI ID:
5377887
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
020400* -- Petroleum-- Processing
ALKANES
AROMATICS
CONDENSED AROMATICS
COOLING
DEWAXING
DISPERSIONS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HYDROCARBONS
MIXING
MIXTURES
MOLECULAR WEIGHT
NAPHTHALENE
OILS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
OTHER ORGANIC COMPOUNDS
PARAFFIN
PETROLEUM
PETROLEUM FRACTIONS
REMOVAL
SEPARATION PROCESSES
SLURRIES
SOLVENTS
SUSPENSIONS
WAXES