Abstract
The studies of synthesized oxides Ni–Cr of mixed phase composition were carried out. The relationship between the composition and structural properties of Ni–Cr double oxides on the ratio of Ni2+/Cr3+ cations in the synthesis of their precursors (hydroxides) has been determined. The products of conversion of heavy oil in the presence of Ni–Cr double oxides at a temperature of 380°C and a pressure of 22 MPa in an excess of hydrothermal fluid have been investigated. The influence of oxides on the change in the content of saturated, aromatic hydrocarbons, resins and asphaltenes was shown by the method of adsorption liquid chromatography.
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