%0 Conference Article %T EFFECT OF ENZYME USE ON PHYSICOMECHANICAL AND OPTICAL PROPERTIES OF SECONDARY FIBERS %A Midukova, M.A. %K secondary fibers, enzymes, paper mass, optical parameters, physical and mechanical parameters %J ENERGY-SAVING AND ENVIRONMENTALLY SAFE TECHNOLOGIES OF THE TIMBER INDUSTRY – 2025 %D 2025 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov