Abstract
The investigations results of cobalt-molybdenum catalysts obtained using carbon-mineral materials from sapropel as support are presented. The effect of the support modification method (acidic, alkaline treatment, activation by water vapor) on the catalysts properties in the model transformation reactions of 1-methylnaphthalene and dibenzothiophene is shown. It was found that acidic treatment resulted in increased specific surface of carbon-mineral materials (with the preservation of a large-pored structure), supported metals dispersion, and to the formation of acidic centers on the surface. The use of a catalyst prepared with acidic treatment led to an increase in the conversion of methylnaphthalene and dibenzothiophene by about 4 and 3 times, respectively, compared to the initial sample without modification.
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