R. Hubaut, O. Poulet, S. Kasetelan, E. Payen, J. Grimblot
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Properties of MoS2-based hydrotreating catalysts modified by electron donor or electron acceptor additives (P, Na, Cs, F)
The hydrotreating reactions performed under high hydrogen pressure constitute an important part in the petroleum refining for producing clean fuels adapted to the market. The aim of this study is to obtain correlations between the catalytic results (activity and selectivity) and some chemical and structural characteristics of sulfided catalysts in which electron donor or acceptor elements have been added to the MoS 2 -Al 2 O 3 standard formulation. Experimental results are presented and discussed. It is deduced that additives like phosphorus, alkaline ions or fluorine have some effects on this catalyst.
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