Browsing by Author "Boukoberine, Yamina"
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Item On the temperature programmed reduction characterization of the CoMo/γ-Al2O3+(x)CuY catalysts : the dynamic interconversion behavior(2012) Boukoberine, Yamina; Hamada, BoudjemaItem Thiophene hydrodesulfurization over CoMo/Al2O3-CuY catalysts: Temperature effect study(Elsevier, 2011) Hamada, Boudjema; Boukoberine, YaminaCoMo/c-Al2O3-CuY catalysts are prepared by physically mixing CoMo/c-Al2O3 catalyst with Cu-exchanged Y zeolite. The CuY zeolite is prepared by the solid state ion exchange technique. The thiophene hydrodesulfurization is performed in a fixed bed reactor at high temperature and atmospheric pressure. The results show that the presence of CuY zeolite particles in CoMo/ Al2O3 catalyst can have a noticeable effect on both the conversion and product selectivities. An increasing zeolite loading in catalyst results in a decrease of the thiophene HDS activity. This decrease is probably caused by the formation of heavy compounds and the deactivation of the zeolite at high temperatures