A novel catalyst based on nickel phyllosilicate for the selective hydrogenation of unsaturated compounds

• Published in: Molecular catalysis Vol. 547; p. 113341
• Main Authors: Shesterkina, Anastasiya A., Vikanova, Kseniia V., Zhuravleva, Victoria S., Kustov, Alexander L., Davshan, Nikolay A., Mishin, Igor V., Strekalova, Anna A., Kustov, Leonid M.
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01-08-2023
• Subjects: Nickel phyllosilicate; Phenylacetylene; Selective hydrogenation; Styrene; Selective hydrogenation; Nickel phyllosilicate; Styrene; Phenylacetylene
• ISSN: 2468-8231; 2468-8231
• DOI: 10.1016/j.mcat.2023.113341

•Nickel phyllosilicate was synthesized and used for selective hydrogenation of acetylenes to alkenes.•Nickel phyllosilicate showed enhanced catalytic activity compared to supported NiO and Ni Raney.•The selectivity toward C = C bond formation was higher than 86% during at least three cycles.•The nickel phyllosilicate micro-mesoporous structure was confirmed by N2 adsorption, XRD, FTIR and HRTEM.
A new nickel phyllosilicate (Ni-PhySi) catalyst was synthesized and used for the selective hydrogenation of unsaturated compounds to alkenes. Nickel phyllosilicate catalyst was synthesized by deposition-precipitation with urea method and characterized by TPR-H2, N2 adsorption, XRD, FTIR and HRTEM methods. Nickel phyllosilicate showed an enhanced catalytic activity compared with supported nickel oxide and Ni Raney in hydrogenation of unsaturated compounds at mild conditions with the selectivity toward C = C bond formation higher than 86%. Moreover, nickel phyllosilicate demonstrated a great stability during at least seven cycles of reuse.
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