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Methane steam reforming over rhodium promoted Ni/Al2O3 catalysts

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Abstract

The effect of Rh addition upon catalyst characteristics and performance in methane steam reforming was investigated using Rh-promoted Ni/Al2O3 catalysts. The number of reduced metal atoms exposed on the surface increased for the Rh-promoted catalysts. Rh-promoted catalysts showed an increase in CH4 reforming activity; however, constant turnover frequencies for promoted and unpromoted catalysts suggest that the increase in the number of metal surface atoms caused the activity enhancement. Rh also facilitated reduction of Ni/Al2O3.

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Authors and Affiliations

  1. Instituto de Investigaciones en Tecnología Química (INTEQUI), Universidad Nacional de San Luis-CONICET, Av. 25 de Mayo 384, 5730, Villa Mercedes (S.L.), Argentina

    E. Castro Luna & A. M. Becerra

  2. Centro Atómico Bariloche, CNEA, Grupo de Cerámicos Especiales, Av. E. Bustillo, Km 9. San Carlos de Bariloche, Río Negro, Argentina

    M. I. Dimitrijewits

Authors
  1. E. Castro Luna
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  2. A. M. Becerra
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  3. M. I. Dimitrijewits
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Luna, E.C., Becerra, A.M. & Dimitrijewits, M.I. Methane steam reforming over rhodium promoted Ni/Al2O3 catalysts. React Kinet Catal Lett 67, 247–252 (1999). https://doi.org/10.1007/BF02475767

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  • DOI: https://doi.org/10.1007/BF02475767

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