Catalytic Activity of Cu and Cu–Fe Hydrosilicates in Hydrogenation with Molecular Hydrogen

Deposited copper hydrosilicates are synthesized using KSKG industrial silica gel. The hydrosilicates are modified with Fe 2+ ions. Their catalytic activity and high selectivity in the hydrogenation of dinitrobenzene is shown to yield nitroaniline and phenylenediamine under mild conditions at 170°C a...

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Bibliographic Details
Published in:Russian Journal of Physical Chemistry A 2018-12, Vol.92 (12), p.2417-2423
Main Authors: Kirichenko, O. A., Shuvalova, E. V., Strekalova, A. A., Davshan, N. A., Kapustin, G. I., Nissenbaum, V. D.
Format: Article
Language:English
Subjects:
Catalysis
Catalytic activity
Chemical synthesis
Chemistry
Chemistry and Materials Science
Copper
Hydrogen storage
Hydrogenation
Phenylenediamine
Physical Chemistry
Physical Chemistry of Hybrid Nanomaterials and Multicomponent Systems
Selectivity
Silica gel
Silicon dioxide
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Summary:Deposited copper hydrosilicates are synthesized using KSKG industrial silica gel. The hydrosilicates are modified with Fe 2+ ions. Their catalytic activity and high selectivity in the hydrogenation of dinitrobenzene is shown to yield nitroaniline and phenylenediamine under mild conditions at 170°C and a hydrogen pressure of 1.3 MPa. As an example, C–C triple bond in phenylacetylene is hydrogenated for the first time on such materials using molecular hydrogen under relatively mild conditions.
ISSN:0036-0244
1531-863X
DOI:10.1134/S0036024418120221