Abstract
Demetallization of a mixture of vacuum gas oil with heavy coker gas oil on CoMo/γ-Al2O3 catalysts with different pore structures was studied, and the influence of the catalyst pore structure on the process results was demonstrated. For the demetallization catalysts to be effective, their pore size should be restricted not only from below but also from above. When using samples with broad pores, effects of the hydrodesulfurization and hydrodemetallization inhibition can arise owing to adsorption of supramolecular structures of heavy residues, in particular, of asphaltenes.
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The study was financially supported by the Ministry of Science and Higher Education of the Russian Federation within the framework of agreement no. 14.576.21.0088 (unique agreement identifier RFMEFI57617X0088).
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Russian Text © The Author(s), 2019, published in Zhurnal Prikladnoi Khimii, 2019, Vol. 92, No. 10, pp. 1301–1308.
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Sheldaisov-Meshcheryakov, A.A., Solmanov, P.S., Maximov, N.M. et al. Influence of the Pore Structure of a Catalyst for Demetallization of Petroleum Feedstock on the Process Results. Russ J Appl Chem 92, 1392–1398 (2019). https://doi.org/10.1134/S1070427219100094
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DOI: https://doi.org/10.1134/S1070427219100094