Influence of Nanosilica on Solvent Deasphalting for Upgrading Iraqi Heavy Crude Oil . Baghdad Science Journal, Iraq, Baghdad, v. 20, n. 1, p. 0144, 2023. DOI: 10.21123/bsj.2022.6895. Disponível em: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/6895.. Acesso em: 26 jun. 2025.