«Proceedings of Gubkin University»

Synthesis and research of nitrogen-containing compounds with different compositions in summer diesel fuels

UDC: 665.6/.7:54.057:665.753.4:665.7.035.2
DOI: 10.33285/2073-9028-2023-4(313)-154-165

Authors:

¹ National University of Oil and Gas “Gubkin University”, Moscow, Russian Federation

Keywords: diesel fuel, dispersing additives, paraffin dispersants, succinimides, amides, imidazolines

Annotation:

The paper presents the results of evaluating the effect of nitrogen-containing compounds with different chemical composition in combination with Keroflux depressant on the functional properties of summer hydrotreated diesel fuel: pour point, cloud point, filterability limit temperature and sedimentation sustainability under cold storage conditions. It is shown that oleic acid amides have the most significant effect on reducing the pour point of diesel fuel. Ethylenediaminetetraacetic acid (EDTA) amides and oleic acid amides are found to improve the cloud point of summer hydrotreated diesel fuel. Fatty acid amides, imidazolines and ethylenediaminetetraacetic acid amides in combination with Keroflux depressant do not contribute to the fuel sediment resistance test under the cold storage conditions. At the same time, succinimides have relatively better dispersing properties under the cold storage conditions and prevent fuel separation under the cold storage conditions.

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