%0 Conference Article %T ANALYSIS OF EXISTING METHODS OF ELECTROCHEMICAL PURIFICATION OF TECHNOLOGICAL SOLUTIONS FOR THE PRODUCTION OF PIGMENTS %A Lomakina, V.A. %K Analysis of methods, membrane, technological solutions, electrochemical purification %J CIRCULAR ECONOMY FOR THE PURPOSE OF SUSTAINABLE DEVELOPMENT OF INDUSTRIES AND TERRITORIES %D 2024 %P 6 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov