Solvent dewaxing waxy hydrocarbon oils using dewaxing aid

Patent · Tue Feb 16 00:00:00 EST 1982

OSTI ID:5377887

Komine, K; Naito, T; Ohashi, F; Onodera, T

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
• Resource Relation: Patent File Date: Filed date 21 Jul 1978; Other Information: PAT-APPL-926812
• Country of Publication: United States
• Language: English

Related Subjects

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