PURIFICATION OF INDUSTRIAL WASTEWATER FROM HEAVY METALS USING SORBENTS BASED ON THERMALLY ACTIVATED OPOKA MINERAL AND AILANTHUS TREE BIOMASS. International Conference on Medical Science, Medicine and Public Health, [S. l.], p. 225–228, 2025. Disponível em: https://econfseries.com/index.php/8/article/view/3299. Acesso em: 31 oct. 2025.