Process for manufacturing refrigeration oils

Details Process for manufacturing refrigeration oils Process for manufacturing refrigeration oils

C - Chemistry, Metallurgy

10

G

196/51

C10G 65/04 (2006.01) C10G 45/64 (2006.01) C10G 65/12 (2006.01)

Patent

CA 1104082

ABSTRACT OF THE DISCLOSURE A process for making refrigeration oils without acid treating and clay contacting steps which comprises subjecting a naphthenic oil to a first hydrogenation step at a temperature of from about 550° to about 660°F, a hydrogen pressure of from about 500 to about 1500 psig., and in the presence of a nickel-molybdenum or cobalt-molybdenum catalyst, subjecting the hydrogenated oil to a second hydrogenation treatment under the same conditions, catalytically dewaxing the twice hydrogenated oil and percolating the dewaxed oil through bauxite.

301499

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