Hydroconversion of Vacuum Residue of a Blend of Western Siberian Oils in the Presence of Ex Situ Synthesized Suspensions of Nanosized Catalysts
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Concentrated suspensions of nanosized МоS2, МоS2+Ni7S6, Ni7S6, Fe1– xS, and (NH4)0.25 · WO3 particles with an average size of 273–364 nm have been synthesized from reverse emulsions of aqueous solutions of molybdenum, nickel, iron, and tungsten salts in the presence of a sulfiding agent and hydrogen in oil vacuum distillation residues and tested in oil vacuum distillation residue hydroconversion running in an autoclave and a pilot flow system. The test results have shown that the highest activity in hydrogenolysis reactions is exhibited by Mo-containing catalysts. The kinetic characteristics have been determined; the heat of the hydroconversion process has been calculated.
Keywords:oil vacuum distillation residue dispersed catalysts hydrocracking
This work was performed at the Topchiev Institute of Petrochemical Synthesis of the Russian Academy of Sciences under the support of a grant from the Russian Science Foundation (project no. 17-73-30046).
CONFLICT OF INTEREST
The authors declare that there is no conflict of interest regarding the publication of this manuscript.
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