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INFLUENCE OF ROCK-FORMING MINERALS ON THE DECOMPOSITION TEMPERATURE OF THE PRECURSOR CATALYST FOR AQUATHERMOLYSIS
Abstract
This paper presents the results of research of the influence of the rock-forming minerals on the decomposition temperature of the oil-soluble catalyst precursor in the process aquathermolysis of heavy crude oil. As the catalytic agent was used nickel tallate, which in the process of aquathermolysis of heavy oil is converted into an active form. Changes in the composition of heavy oil after aquathermolysis in the presence of a precursor catalyst were evaluated using the hydrocarbon type content analysis (SARA). In addition, the change in the viscosity of oil after the experiment was evaluated. By using thermal analysis we have evaluated the influence of rock-forming minerals on the decomposition temperature of the precursor catalyst. It was found that the beginning of the decomposition of the precursor lies in the region of 150 пїЅC. The active form of the catalyst precursor after decomposition under the conditions of aquathermolysis at a temperature of 300пїЅ C, according to X-ray diffraction analysis, is a sulfide form.
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