Selective Liquid Phase Hydrogenation of Aromatic Nitro Compounds in the Presence of Fe–Cu Nanoparticles

Abstract

Fe–Cu bimetallic oxide nanoparticles supported on silica gel that catalyze the hydrogenation of nitrobenzene to aniline and of dinitrobenzenes to phenylenediamines under relatively mild reaction conditions (200°C, \({{p}_{{{{{\text{H}}}_{2}}}}}\) 1.3 MPa, 4 h, and 700 rpm) are synthesized. The catalytic properties of supported bimetallic Fe–Cu catalysts depend on the synthesis procedure, sample composition, and conditions of thermal treatment. There is a synergistic effect of interaction between Cu and Fe in the hydrogenation of nitrobenzene, 1,3-dinitrobenzene, and 1,4-dinitrobenzene in the presence of a bimetallic Fe–Cu catalyst obtained via coprecipitation.

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ACKNOWLEDGMENTS

USU_588494 experimental equipment was used in this work. The authors are grateful to Dr. O.P. Tkachenko for the DRIFTS-CO measurements and to Dr. O.A. Kirichenko for her assistance in the preparation of the studied catalysts.

Funding

This work was supported by the Russian Foundation for Basic Research, project no. 18-33-00040.

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Correspondence to A. A. Strekalova.

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Translated by A. Tulyabaev

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Shesterkina, A.A., Strekalova, A.A. & Kustov, L.M. Selective Liquid Phase Hydrogenation of Aromatic Nitro Compounds in the Presence of Fe–Cu Nanoparticles. Russ. J. Phys. Chem. 94, 1180–1183 (2020). https://doi.org/10.1134/S0036024420060217

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Keywords:

  • Fe–Cu/SiO2 catalysts
  • selective hydrogenation
  • nitrobenzene
  • dinitrobenzene
  • bimetallic nanoparticles