Rashid, Sarmad A., Wadood T. Mohammed, and Harouadi Zine Eddine. 2026. “Treatment of Real Petroleum Refinery Wastewater Using SiO₂ TiO₂ Nanocomposite Induced by UV–visible Light”. Iraqi Journal of Chemical and Petroleum Engineering 27 (2): 1-17. https://doi.org/10.31699/IJCPE.2026.2.1.