Process for manufacturing refrigeration oils

Details Process for manufacturing refrigeration oils Process for manufacturing refrigeration oils

1977-04-26

1978-05-23

Crasanakis, George

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208 99, C10G 2302, C10G 1302, C10G 2500

Patent

active

040909506

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.degree. to about 660.degree. 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.

REFERENCES:
patent: 3189540 (1965-06-01), Kozlowski et al.
patent: 3224955 (1965-12-01), Anderson
patent: 3376218 (1968-04-01), Menzl
patent: 3839189 (1974-10-01), Mills et al.
patent: 3849288 (1974-11-01), Milstein et al.
patent: 3941680 (1976-03-01), Bryson et al.
Bennett, R. N., and Elkes, G. J., "Low Pour Oils from Paraffinic Crudes by the BP Catalytic Dewaxing Process", presented at National Fuels and Lubricants Meeting, Nov. 6-8, 1974, Houston, Tex.
"Catalytic Dewaxing", Hydrocarbon Processing, Sep. 1976, p. 133.

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