Method of removing hydroperoxides from lubricating oils

Details Method of removing hydroperoxides from lubricating oils Method of removing hydroperoxides from lubricating oils

1989-09-07

1991-03-05

Hruskoci, Peter

Mineral oils: processes and products

Refining

Purifying used oil

585638, 585733, 210668, 210757, C10M17502

Patent

active

049975463

ABSTRACT:
Hydroperoxides can be removed from a lubricating oil by contacting the oil with a heterogenous hydroperoxide decomposer. This extends the useful life of the oil and the equipment being lubricated. In a preferred embodiment, the hydroperoxide decomposer is incorporated on a substrate immobilized within the lubrication system of an internal combustion engine.

REFERENCES:
patent: 3793184 (1974-02-01), Leftus
patent: 4075098 (1978-02-01), Paul et al.
patent: 4832857 (1989-05-01), Hunt et al.
"Inhibition of Oxidation by ZDTP and Ashless Antioxidants in the Presence of Hydroperoxides at 160.degree. C.", Milton D. Johnson et al., Dearborn, MI.
"A Real Time Radioactive Marker Technique for Measuring Valve Train Wear", H. Shaub et al., Linden, NJ.
"The Role of Hydroperoxide in Engine Wear and the Effect of ZnDDP/Dispersant/Detergent Interactions", J. J. Habeeb et al., Canada.
"The Role of Hydroperoxides in Engine Wear and the Effect of Zinc Dialkyl-Dithiophosphates", J. J. Habeeb et al., Canada.

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