Study on reusing of spent fluid catalytic cracking (sFCC) catalyst from the Dung Quat Refinery as an active additive to Portland cement. Vietnam j. catal. adsorp. [Internet]. 2020 Jul. 30 [cited 2026 Apr. 30];9(2):23-7. Available from: https://jca.edu.vn/index.php/jca/article/view/2020.024