Reclamation of Base Oil from Depleted Engine Oil by Solvent Extraction Process: An Insightful Review. Muthanna Journal of Engineering and Technology, [S. l.], v. 13, n. 2, 2025. Disponível em: https://muthuni-ojs.org/index.php/mjet/article/view/917. Acesso em: 14 jun. 2026.