HAMEED, Kassim Kadhim; MOHAMMED, Wadood T.; MOHAMMED, Sohaib J. Photocatalytic treatment of petroleum refinery wastewater by ZnO nanoparticles immobilized on a concrete substrate. Iraqi Journal of Chemical and Petroleum Engineering, Baghdad, Iraq., v. 26, n. 3, p. 113–122, 2025. DOI: 10.31699/IJCPE.2025.3.10. Disponível em: https://www.ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/1318. Acesso em: 3 oct. 2025.