Sunflower oil diesel fuel: Lubrication system contamination |
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Authors: | C Rewolinski D L Shaffer |
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Affiliation: | (1) Union Oil Company, 99611 Kenai, AK;(2) Chemical Engineering Department, Montana State University, 59717 Bozeman, MT |
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Abstract: | Diesel lubrication oil contaminated with sunflower oil fuel was exposed to conditions simulating an engine crankcase environment
to quantify and elucidate the mechanisms of loss of alkalinity and oil mixture thickening. Oxygen was found to be a dominant
factor in both phenomena as was the presence of metallic copper catalyst. Triglyceride polymerization causing oil thickening
does not appear causally related to alkalinity loss, but rather seems governed by a separate free radical mechanism. |
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