%0 Journal Article %T ANALYSIS OF THE EFFECTIVENESS OF THE HEAVY OIL SLUDGE HYDROCRACKING PROCESS WHEN MODIFYING COAL ADDITIVES WITH METAL OXIDES %A Antonova, M.Y. %A Zayceva, E.G. %A , .. %A Davletshin, A.R. %A , .. %A , .. %A Bashkitseva, N.Y. %K HEAVY PETROLEUM RESIDUE, HYDROCRACKING, TAR-ASPHALTENE SUBSTANCES (SAV), COAL ADDITIVE, PORE SPACE, HYDROGENATION, LIQUID HYDROCARBONS %J Herald of Technological University %D 2025 %N 28 %P 5 %I Kazan National Research Technological University