TY CONF TI COMPOSITES BASED ON COBALT FERRITE AND BIOCHAR: RECYCLING OF TIMBER INDUSTRY WASTE FOR WASTEWATER TREATMENT KW biochar KW photocatalysis KW cobalt ferrite KW phentone-like reaction JO FORESTRY IN THE CONTEXT OF GLOBAL CHALLENGES: NEW PARADIGMS OF SUSTAINABLE DEVELOPMENT. FORESTRY - 2025 AU Doroshenko, A.V. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov