Abstract
A series of heavy oil (HO) thermolysis experiments in the presence of 2.5–10.0% maltene fraction recovered from oil has been performed. It has been shown that addition of maltene fraction provides HO conversion during thermolysis and a decrease in the viscosity of the products. An increase in the concentration of additive results in the decrease in coke content in the products as compared to reference experiment. Thermolysis conditions of HO of Ashal’chinskoe deposit (Russia), which give liquid products possessing viscosity of nearly 100 mm2/s in more than 97% yield in the presence of 5.0 and 10.0% of maltene fraction, have been determined, namely, 415°С and 30 atm in flow reactor.
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