TY CONF TI MAIN METHODS OF ENTERPRISE WASTEWATER TREATMENT KW heavy metals KW sustainable development KW environmental benefits KW economic benefits KW wastewater KW environmental pollution JO ENERGY-SAVING AND ENVIRONMENTALLY FRIENDLY TECHNOLOGIES IN THE FORESTRY INDUSTRY AU Zhuzhukin, K.V. AU Zhuzhukin, N.V. AU Grachev, D.S. AU Dmitrenkov, A.I. PY 2024 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov