Application of silica-supported Fe–Cu nanoparticles in the selective hydrogenation of p-dinitrobenzene to p-phenylenediamine


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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.

作者简介

A. Shesterkina

Zelinsky Institute of Organic Chemistry

编辑信件的主要联系方式.
Email: anastasiia.strelkova@mail.ru
俄罗斯联邦, Moscow, 119991

E. Shuvalova

Zelinsky Institute of Organic Chemistry

Email: anastasiia.strelkova@mail.ru
俄罗斯联邦, Moscow, 119991

O. Kirichenko

Zelinsky Institute of Organic Chemistry

Email: anastasiia.strelkova@mail.ru
俄罗斯联邦, Moscow, 119991

A. Strelkova

Zelinsky Institute of Organic Chemistry

Email: anastasiia.strelkova@mail.ru
俄罗斯联邦, Moscow, 119991

V. Nissenbaum

Zelinsky Institute of Organic Chemistry

Email: anastasiia.strelkova@mail.ru
俄罗斯联邦, Moscow, 119991

G. Kapustin

Zelinsky Institute of Organic Chemistry

Email: anastasiia.strelkova@mail.ru
俄罗斯联邦, Moscow, 119991

L. Kustov

Zelinsky Institute of Organic Chemistry; Department of Chemistry

Email: anastasiia.strelkova@mail.ru
俄罗斯联邦, Moscow, 119991; Moscow, 119991

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