JOURNAL OF CHILEAN CHEMICAL SOCIETY

Vol 61 No 4 (2016): Journal of the Chilean Chemical Society
Original Research Papers

SUPPORT EFFECT ON CONVERSION OF QUINOLINE OVER ReS2 CATALYST

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  • R. Bassi,
  • M. Villarroel,
  • F. J. Gil-Llambias,
  • P. Baeza,
  • J. L. García-Fierro,
  • N. Martínez,
  • P. Olivera,
  • K. Leiva,
  • N. Escalona
R. Bassi
Pontificia Universidad Católica de Valparaíso, Facultad de Ciencias, Instituto de Química
M. Villarroel
Universidad de Santiago de Chile
F. J. Gil-Llambias
Universidad de Santiago de Chile
P. Baeza
Pontificia Universidad Católica de Valparaíso, Facultad de Ciencias, Instituto de Química
J. L. García-Fierro
Instituto de Catálisis y Petroquímica, CSIC
N. Martínez
Universidad de Concepción, Facultad de Ciencias Químicas
P. Olivera
Universidad de Concepción, Facultad de Ciencias Químicas
K. Leiva
Universidad de Concepción, Facultad de Ciencias Químicas
N. Escalona
Departamento de Ingeniería Química y Bioprocesos, Escuela de Ingeniería, Pontificia Universidad Católica de Chile Departamento de Química Física, Facultad de Químicas, Pontificia Universidad Católica de Chile Centro de Investigación en Nanotecnología y Materiales Avanzados (CIEN-UC), Pontificia Universidad Católica de Chile
Published May 29, 2017
Keywords
  • Hydrodenitrogenation,
  • ReS2,
  • Quinoline,
  • Supports
How to Cite
Bassi, R., Villarroel, M., Gil-Llambias, F. J., Baeza, P., García-Fierro, J. L., Martínez, N., Olivera, P., Leiva, K., & Escalona, N. (2017). SUPPORT EFFECT ON CONVERSION OF QUINOLINE OVER ReS2 CATALYST. Journal of the Chilean Chemical Society, 61(4). Retrieved from https://www.jcchems.com/index.php/JCCHEMS/article/view/104

Copyright (c) 2017 R. Bassi, M. Villarroel, F. J. Gil-Llambias, P. Baeza, J. L. García-Fierro, N. Martínez, P. Olivera, K. Leiva, N. Escalona

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Abstract

The conversion of quinoline over ReS2 supported on g-Al2O3, SiO2, ZrO2 and TiO2 catalysts in a batch reactor at 300◦C and 5 MPa of hydrogen pressure was studied. The catalysts were prepared by wet impregnation with a loading of 1.5 atoms of Re per nm2 of support. The catalysts were characterized by N2 adsorption, X-ray photoelectron spectroscopy (XPS) and X-ray powder diffraction (XRD). The Re(x)/supports catalysts displayed high activities for the conversion of quinoline, although negligible formation of N-free compounds (hydrodenitrogenation) were observed. The intrinsic activities of ReS2 were modified by the support decreased in the order: Re/TiO2 > Re/ZrO2 > Re/SiO2 > Re/g-Al2O3. The highest activity displayed by the Re/TiO2 catalyst was correlated with the Re dispersion and formation of ReS2 species. Meanwhile, the lower conversion of quinoline over the Re/ZrO2, Re/SiO2 and Re/g-Al2O3 catalysts was related to the combined effect of the textural properties of catalysts and the formation of ReS(2-x) species on the supports. 

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