Improvement of low-temperature characteristics of biodiesel by additivation

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Ivan Tasić
Milan Tomić
Aleksandra Aleksić
Nataša Đurišić-Mladenović
Ferenc Martinović
Radoslav Dušan Mićić


In manipulation and utilization of biodiesel and its mixtures, especially in the winter period, one of the most serious problems is relatively poor low-temperature flow properties. Classic methods of transesterification solve this problem, so biodiesel quality can be improved only by additives (cold flow improvers). This research examines the effect of commercial additives on the improvement of low-temperature characteristics of biodiesel. Namely, cold filter plugging point (CFPP), pour point (PP) and cloud point (CP) were tested in accordance with EN 116 and ISO 3015 standards. The influence of additives on different types of biodiesel, its different age and influence on the mixture of 5 % biodiesel and fossil diesel were examined. A better effect of additivation to "fresh" biodiesel (made using rapeseed oil), compared to "aged" biodiesel was noted. Improvement of additivation was achieved by mixing additives with an organic solvent (toluene). It was demonstrated that different types of additives are suitable for different types of biodiesel as well as mixtures of biodiesel and fossil diesel. Additives in which solvent is compatible with the type of biodiesel were found to exhibit better performance.


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How to Cite
Tasić, I., Tomić, M., Aleksić, A., Đurišić-Mladenović, N., Martinović, F., & Mićić, R. D. (2019). Improvement of low-temperature characteristics of biodiesel by additivation. HEMIJSKA INDUSTRIJA (Chemical Industry), 73(2), 103–114.
Engineering of Materials - Biomaterials
Author Biography

Radoslav Dušan Mićić, University of Novi Sad, Technical faculty "Mihajlo Pupin", Đure Đakovića b.b., 23000 Zrenjanin

industrial engineering in the exploitation of oil and gas, assistant professor


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