%0 Journal Article %T IMPROVEMENT OF THE EFFICIENCY OF TECHNOLOGICAL UNITS OF OIL REFINERIES USING ASPEN HYSYS %A Ahmerov, D.R. %A Muhametzyanova, A.G. %K MODELING, ANALYSIS, OPTIMIZATION, RECTIFICATION, ASPEN HYSYS %J Herald of Technological University %D 2025 %N 28 %P 4 %I Kazan National Research Technological University