Abstract
The results of upgrading heavy crude oil with a density of 0.9857 g/cm3 and a sulfur content of 3.6% wt. are presented. In an environment of superheated steam in the temperature range 355-375°C and pressures up to 14 MPa in the presence of iron-modified natural aluminosilicates. The use of modified aluminosilicates containing oxides of iron, aluminum and silicon in the process of upgrading heavy oil led to a twofold decrease in the content of resinous-asphaltene components in it. In addition, the upgrading process led to an increase in the content in light fractions, boiling up to a temperature of 300°C, of the converted oil of branched alkanes with a high octane number, as well as to a decrease in oil viscosity by 60%.
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