Solvent-Free Synthesis of Nickel Nanoparticles as Catalysts for CO2 Hydrogenation to Methane Full article
Journal |
Catalysts
ISSN: 2073-4344 |
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Output data | Year: 2022, Volume: 12, Number: 10, Article number : 1274, Pages count : 19 DOI: 10.3390/catal12101274 | ||||||||
Tags | solvent-free synthesis; solid-state combustion; nickel; nanoparticle; catalyst; CO2 methanation | ||||||||
Authors |
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Affiliations |
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Funding (1)
1 | Ministry of Science and Higher Education of the Russian Federation | 075-15-2020-781 |
Abstract:
The solid-state combustion method was used to prepare nickel-based catalysts for CO2 hydrogenation from [Ni(C3H4N2)6](NO3)2 and [Ni(C3H4N2)6](ClO4)2. These complexes were synthesized by adding nickel nitrate and perchlorate to melted imidazole. The composition and structure of the obtained complexes was confirmed by ATR FTIR, powder XRD and elemental analysis. The stages of thermal decomposition of the complexes and their kinetic parameters were established. It was found that incomplete gasification of more thermostable Ni(C3H4N2)6](ClO4)2 led to the formation of carbon, nitrogen, and chlorine impurities. According to powder XRD and XPS, the solid products of gasification of both complexes consist of NiO and Ni0 covered with nickel hydroxide and/or carbonate layer. In the case of the sample prepared from [Ni(C3H4N2)6](ClO4)2 this layer is pronounced. Therefore, it limits the nickel reduction in the reaction medium of CO2 hydrogenation, even at 450 °C. The surface of the sample prepared from [Ni(C3H4N2)6](NO3)2 contains nickel oxide, which is easily reduced. So, catalyst active phase is already formed at 250 °C in the presence of CO2 and efficiently catalyzes CO2 hydrogenation as the temperature increases. Therefore, [Ni(C3H4N2)6](NO3)2 is a promising precursor for the CO2 hydrogenation catalyst, and its solvent-free synthesis follows Green Chemistry principles.
Cite:
Netskina O.V.
, Dmitruk K.A.
, Paletsky A.A.
, Mukha S.A.
, Pochtar A.A.
, Bulavchenko O.A.
, Prosvirin I.P.
, Shmakov A.G.
, Ozerova A.M.
, Veselovskaya J.V.
, Mazina O.I.
, Komova O.V.
Solvent-Free Synthesis of Nickel Nanoparticles as Catalysts for CO2 Hydrogenation to Methane
Catalysts. 2022. V.12. N10. 1274 :1-19. DOI: 10.3390/catal12101274 WOS Scopus РИНЦ AN OpenAlex
Solvent-Free Synthesis of Nickel Nanoparticles as Catalysts for CO2 Hydrogenation to Methane
Catalysts. 2022. V.12. N10. 1274 :1-19. DOI: 10.3390/catal12101274 WOS Scopus РИНЦ AN OpenAlex
Dates:
Submitted: | Sep 29, 2022 |
Accepted: | Oct 18, 2022 |
Published print: | Oct 19, 2022 |
Published online: | Oct 19, 2022 |
Identifiers:
Web of science: | WOS:000872681600001 |
Scopus: | 2-s2.0-85140835160 |
Elibrary: | 52469918 |
Chemical Abstracts: | 2022:2754257 |
OpenAlex: | W4306836287 |