Refrigeration oil processing

Details Refrigeration oil processing Refrigeration oil processing

1977-06-29

1978-05-30

Crasanakis, George

Mineral oils: processes and products

Refining

With solid catalyst or absorbent

208 3, 208229, 208286, C10G 2500

Patent

active

040922405

ABSTRACT:
A refrigeration oil processing sequence is disclosed which produces a superior oil without the use of sulfuric acid treating and the resultant sludge problems. The process comprises contacting a naphthenic based oil with an oxygen-containing gas in the presence of a permanganate under mild oxidation conditions of temperature and pressure followed by adsorbent fractionation.

REFERENCES:
patent: 2230274 (1941-02-01), Soday
patent: 2776309 (1957-01-01), Nelson
patent: 2978472 (1961-04-01), Kirkwood et al.
patent: 3223748 (1965-12-01), Bohrer
patent: 3725253 (1973-04-01), Yamada
patent: 3830730 (1974-08-01), Mead et al.

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