TY CONF TI ALKALINE ACTIVATION AS A FACTOR INFLUENCING THE SORPTION CAPACITY OF MATERIALS OF VARIOUS NATURE KW aluminosilicates KW biochar KW physicochemical characteristics KW alkaline activation KW sorption KW formaldehyde JO ENERGY-SAVING AND ENVIRONMENTALLY SAFE TECHNOLOGIES OF THE TIMBER INDUSTRY – 2025 AU Khodosova, N.A. AU Tomina, E.V. AU Belchinskaya, L.I. AU Manukovskaya, V.E. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov