Reclaiming wax contaminated lubricating oils

Details Reclaiming wax contaminated lubricating oils Reclaiming wax contaminated lubricating oils

1979-08-01

1981-05-26

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 46, 208264, 585737, 585739, C10G 4500, C10G 4562, C10G 4564

Patent

active

042696950

ABSTRACT:
Dewaxed lube base stock oil which forms a wax haze on storage at a temperature above its cloud point is treated by contacting the oil and hydrogen with a zeolite catalyst such as ZSM-5 to eliminate the wax-haze formation. The method may be used to reclaim wax-contaminated lube base stock oils and other wax-contaminated hydrocarbon oils.

REFERENCES:
patent: 3755138 (1973-08-01), Chen et al.
patent: 3926777 (1975-12-01), Menzl
patent: 3960705 (1976-06-01), Garwood et al.

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