Abstract:Summary: For the production of ML-grade motor oil, mildly solvent extracted and dewaxed motor oil fractions, obtained from Persian Gulf crude, were hydrogen-treated with CoMo (sulfide)/alumina catalyst under various treating conditions. A bench-scale pilot plant containing 200ml of the catalyst was used for the hydrogen-treatment. General properties, oxidation stability and engine performance of the hydrogen-treated oils were compared with those of acid/clay-treated oils.Hydrogen-treated oils obtained under re… Show more
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