%0 Conference Article %T ENERGY-RESOURCE-SAVING PLANT FOR WOOD PROCESSING INDUSTRY WASTE PROCESSING WITH THE PURPOSE OF OBTAINING BIOLOGICALLY ACTIVE SUBSTANCE – BETULIN %A Abdullina, D.R. %A Safin, R.G. %K betulin, birch bark, birch, biologically active substance, extraction, energy-resource-saving installation %J Ecological and resource-saving technologies in science and technology %D 2022 %P 4 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov