Optimization of Electro-Fenton Based Advanced Oxidation Processes for Pre-Treatment of Biogas Production Using Oily Wastewater to Generate Renewable Energy. Innovative: International Multidisciplinary Journal of Applied Technology (2995-486X), [S. l.], v. 3, n. 7, p. 46–56, 2025. Disponível em: https://multijournals.org/index.php/innovative/article/view/3575. Acesso em: 13 jan. 2026.