Assessment of γ-AL2O3 Prepared from Local Clay as an Effective Catalyst for Thermal Cracking of Atmospheric Residue: Optimizations of Variables and Analysis of the Upgraded Liquid Oil: Assessment of γ-AL2O3 Prepared from Local Clay as an Effective Catalyst. RSCI [Internet]. 2026 Mar. 10 [cited 2026 Aug. 20];35(1):82-93. Available from: https://rsci.uomosul.edu.iq/index.php/rsci/article/view/61994