Title:
PRODUCTION OF REFRIGERATING MACHINE OIL
Document Type and Number:
Japanese Patent JPS545
Kind Code:
A
Abstract:
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 DEG to about 660 DEG 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.
Inventors:
RONARUDO UIRIAMU REINORUZU
Application Number:
JP4791878A
Publication Date:
January 05, 1979
Filing Date:
April 24, 1978
Export Citation:
Assignee:
SUN PETROLEUM PRODUCTS CO
International Classes:
B01J23/88; B01J29/18; C07B61/00; C10G47/00; C10G45/64; C10G65/04; C10G65/12; C10G73/02; C10M101/02; C10M105/06; C10N40/30; (IPC1-7): C10G13/02; C10G37/00
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