Analysis by temperature-programmed reduction of the catalytic system Ni-Mo-Pd/Al2O3

Characterization by temperature-programmed reduction (TPR) • Alumina-supported nickel catalysts characterized temperature programmed reduction. The interactions between the support and metals have been studied. Several Ni-Pd Ni-Mo bimetallic various Ni-Mo-Pd trimetallic analyzed. order of impregnation is decisive in reducing properties. are used to facilitate many reactions at scales. However, deactivation these an important problem that has prompted search for solutions such as addition other act promoters. In this research, form studied, a fundamental property directly affects performance catalyst. With idea, several samples prepared, capacity oxide phases temperatura-programmed analyzed It found catalysts, Pd favors appearance NiO species more easily reducible than Mo. same way, data obtained from simples suggest Mo not determining factor catalysts. addition, it co-impregnation Ni with gives better results sequential metals. also shown decisive. case impregnating molybdenum first, properties can be obtained.