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Topics in Catalysis

, Volume 54, Issue 8–9, pp 535–546 | Cite as

Synthesis, Characterization and Catalytic Activity of Supported NiMo Catalysts

  • K. Martínez-Juárez
  • R. Silva-RodrigoEmail author
  • A. Castillo-Mares
  • A. Guevara-Lara
  • J. A. Melo-Banda
  • A. Vázquez-Rodríguez
  • E. Terres-Rojas
Original Paper

Abstract

A study of NiMo catalysts supported on MCM41 modified with alumina prepared by the sol–gel method is presented. Ni–Mo phases were impregnated on the supports using the solution method with the purpose to obtain a material whose hexagonal structure of the MCM41 would not be affected with the addition of these active phases. The impregnation of the metals method used in the present work was outstanding, the textural properties of the catalysts decreased from 42 to 67%. There was a diminution in the textural properties of the catalysts with respect to the supports, nevertheless the prepared materials had more significant textural properties that the conventional catalysts of HDS. The adsorption–desorption isotherms of the catalysts did not change considerably with the support source. By DRX was determined the structural properties of the metallic phases present in the material where phases such as NiMoO4, MoO3 and NiO were observed. Support wall thickness was increased with the incorporation of Ni and Mo metals into the materials. By means of Raman spectroscopy, the presence of MoO3 and Mo8O26 4− species was corroborated. Through UV–vis where determined NiO of octahedral symmetry as well as Mo of tetrahedral and octahedral symmetry. The main reaction products were biphenyl (BP), cyclohexylbenzene (CHB) and bicyclohexyl (BCH) when the materials were tested in the HDS of DBT.

Keywords

Alumina Hydrodesulfurization MCM41 NiMo 

Notes

Acknowledgment

This work was performed with the financial support of DGEST 2459.09-P.

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • K. Martínez-Juárez
    • 1
  • R. Silva-Rodrigo
    • 1
    Email author
  • A. Castillo-Mares
    • 1
  • A. Guevara-Lara
    • 2
  • J. A. Melo-Banda
    • 1
  • A. Vázquez-Rodríguez
    • 3
  • E. Terres-Rojas
    • 3
  1. 1.Instituto Tecnológico de Cd. MaderoCiudad MaderoMexico
  2. 2.Universidad Autónoma del Estado de Hidalgo, Ciudad Universitaria Carretera Pachuca-TulancingoPachucaMexico
  3. 3.Instituto Mexicano del PetróleoMexicoMexico

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