Process for producing a transformer oil having lower pour point

Details Process for producing a transformer oil having lower pour point Process for producing a transformer oil having lower pour point

1976-12-29

1977-11-08

Crasanakis, George

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208 99, 208111, C10G 2302

Patent

active

040574890

ABSTRACT:
Transformer oils having pour points below -40.degree. F. (-40.00.degree. C.) are produced by the process of reducing the nitrogen concentration of a petroleum hydrocarbon feed stock, contacting the denitrogenated product with a catalyst comprising a Group IV-B metal and a Group VIII noble metal on a decationized crystalline mordenite support under pour point reduction conditions of temperature, pressure and space velocity, and thereafter passing the product of the pour point reduction step to a lubricating oil oxidation stability step.

REFERENCES:
patent: 3487005 (1969-12-01), Egan et al.
patent: 3494854 (1970-02-01), Gallagher et al.
patent: 3516925 (1970-06-01), Lawrence et al.
patent: 3912620 (1975-10-01), Gallagher
patent: 3915841 (1975-10-01), Murphy, Jr. et al.
patent: 4008148 (1977-02-01), Masunaga et al.

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