Abstract
This study proposed and experimentally investigated a novel approach to hydrogenation of light cycle oil (LCO) into components of winter and arctic diesel fuels (DF) environmentally classified as K5 as per the Technical Regulation of the Customs Union (TR CU) 013/2011 “On the requirements for automotive and aviation gasoline, diesel and marine fuels, jet fuels, and heating oils”. The process design involves atmospheric distillation of LCO with EBP 300˚C followed by hydrotreating. Hydrogenates with low concentrations of total sulfur (10 mg/kg) and arenes (28.6–38.0 wt %) and adequate low-temperature properties (CFPP≤–43˚C) were produced. An assessment of the physicochemical properties of the hydrogenates against applicable regulations for DF properties suggested that these hydrogenates can be effectively used as components of winter and arctic fuels by blending them into hydroisomerization diesel fractions (HIDF) and winter diesel fuels (WDF). An analysis of the main quality characteristics confirmed the feasibility of blending the LCO-derived hydrogenates into winter and arctic diesel fuels. Using GC×GC/MS examination, correlations were found between the hydrogenation process conditions, the physicochemical properties of the hydrogenates, and their detailed hydrocarbon compositions.
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