Abstract
The article presents the results of tests which were supposed to determine the influence of dodecanol addition to diesel oil on Cold Filter Plugging Point (CFPP). Tested were the mixtures of diesel oil and ethanol, with the volumetric percentage of ethanol of 5, 10 and 15%. The maximum dodecanol addition represented 20%. Determination of the temperature at which the filter got plugged was carried out with the use of the FPP 5Ds device, and the CFPP determination was carried out in accordance with the PN-EN 116: 2015-09 standard. The test results reflect, among other things, that dodecanol addition to the mixture of diesel oil with dehydrated ethanol results in lowering the Cold Filter Plugging Point for the lowest of the tested dehydrated ethanol percentages, whereas increase in the CFPP for the other percentages. As regards the mixtures with hydrated ethanol in which 20% dodecanol addition was applied, it may be noticed that along with the growth of the hydrated ethanol content, the CFPP was decreasing.
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