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The Textural and Adsorption Properties of Copper-Containing Catalysts for Carbonyl Group Reduction

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Abstract

This work studied bulk catalysts for hydrogenation processes of a carbonyl group that have similar compositions and contain copper, zinc, aluminum, and oxygen but were obtained by different methods, such as calcination of a mixture of salts followed by reduction in a hydrogen flow and alkalinization of metal alloys. The effect of the chemical composition and synthesis conditions of such copper-containing catalysts on their surface morphology and textural properties has been studied. The levels of adsorption of hydrogen on the studied catalysts are obtained by combined simultaneous thermal analysis–mass spectrometry. The presence of individual forms of adsorbed hydrogen with different metal–hydrogen bond energies is shown. An explanation for the difference in the adsorption properties relative to hydrogen is provided.

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ACKNOWLEDGMENTS

The study was performed with the use of the resources of the Center for Collective Use of Scientific Equipment of the Ivanovo State University of Chemistry and Technology.

Funding

The study was financially supported by a grant from the Russian Science Foundation (no. 21-73-10210, https://rscf.ru/project/21-73-10210/). The use of the resources of the Center for Collective Use of Scientific Equipment of the Ivanovo State University of Chemistry and Technology was supported by the Ministry of Science and Higher Education of the Russian Federation (agreement no. 075-15-2021-671).

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Correspondence to D. A. Prozorov.

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Translated by E. Boltukhina

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Prozorov, D.A., Rumyantsev, R.N., Afineevskii, A.V. et al. The Textural and Adsorption Properties of Copper-Containing Catalysts for Carbonyl Group Reduction. Prot Met Phys Chem Surf 59, 854–859 (2023). https://doi.org/10.1134/S2070205123701034

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  • DOI: https://doi.org/10.1134/S2070205123701034

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