1. Comparison between deactivation patterns of catalyst in fixed bed and ebullating bed residue hydroprocessing units;Al-Dalama;Chemical Engineering Journal,2006
2. Recycling spent hydroprocessing catalysts: Eurecat Technology;Berrebi;Resources, Conservation and Recycling,1994
3. Case, A., Garretson, G., Wiewiorowski, E., 1995. Ten years of catalyst recycling: a step to the future. In: Presented at the Third International Symposium on Recycling of Metals. Point Clear, November 12–15, Alabama, USA.
4. Spent catalyst options;Chang;Oil and Gas Journal,1998