Abstract
Supported bimetallic Fe–Cu/SiO2 materials are synthesized, and their catalytic activity in hydrogenation of dinitrobenzene to phenylenediamine at 145–180°С and 1.3 MPa hydrogen pressure is studied for the first time. The best results (89% selectivity toward p-phenylenediamine at complete conversion of p-dinitrobenzene) are obtained for the sample synthesized via co-deposition with subsequent calcination at 300°С. The sample contains 7% iron and 3% copper. The formation of separate phases of metal oxides (for the catalysts prepared by impregnation) and mixed bimetallic oxide phases (in case of co-deposition procedure) in calcined samples is revealed via thermoprogrammed reduction with hydrogen.
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Original Russian Text © A.A. Shesterkina, E.V. Shuvalova, O.A. Kirichenko, A.A. Strelkova, V.D. Nissenbaum, G.I. Kapustin, L.M. Kustov, 2017, published in Zhurnal Fizicheskoi Khimii, 2017, Vol. 91, No. 2, pp. 201–204.
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Shesterkina, A.A., Shuvalova, E.V., Kirichenko, O.A. et al. Application of silica-supported Fe–Cu nanoparticles in the selective hydrogenation of p-dinitrobenzene to p-phenylenediamine. Russ. J. Phys. Chem. 91, 201–204 (2017). https://doi.org/10.1134/S0036024417020285
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DOI: https://doi.org/10.1134/S0036024417020285