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Article

Selective Production of Phenol on Bifunctional, Hierarchical ZSM-5 Zeolites

1
Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
2
Research Centre for Natural Sciences, Institute of Materials and Environmental Chemistry, Magyar tudósok krt.2., 1117 Budapest, Hungary
3
Institute of Polymers, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
*
Authors to whom correspondence should be addressed.
Academic Editor: Serena Esposito
Molecules 2021, 26(12), 3576; https://doi.org/10.3390/molecules26123576
Received: 13 May 2021 / Revised: 8 June 2021 / Accepted: 8 June 2021 / Published: 11 June 2021
(This article belongs to the Special Issue Composite Porous Materials in Catalysis)
Mono- and bimetallic Ni-, Ru- and Pt-modified hierarchical ZSM-5 materials were prepared by impregnation technique and characterized by X-ray diffraction (XRD), N2 physisorption, temperature-programmed reduction (TPR–TGA), ATR–FTIR and solid state NMR spectroscopy. Formation of finely dispersed nickel, ruthenium and platinum species was observed on the bimetallic catalysts. It was found that the peculiarity of the used zeolite structure and the modification procedure determine the type of formed metal oxides and their dispersion and reducibility. The samples’ acidity was studied via FTIR spectroscopy of adsorbed pyridine. The changes in the zeolite structure were studied via solid-state NMR spectroscopy. The catalysts were investigated in a gas-phase hydrodeoxygenation, transalkylation and dealkylation reaction of model lignin derivative molecules for phenol production. View Full-Text
Keywords: hierarchical ZSM-5 zeolite; bifunctional catalysts; phenol production; gas phase reaction hierarchical ZSM-5 zeolite; bifunctional catalysts; phenol production; gas phase reaction
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MDPI and ACS Style

Popova, M.; Szegedi, Á.; Oykova, M.; Lazarova, H.; Koseva, N.; Mihályi, M.R.; Shestakova, P. Selective Production of Phenol on Bifunctional, Hierarchical ZSM-5 Zeolites. Molecules 2021, 26, 3576. https://doi.org/10.3390/molecules26123576

AMA Style

Popova M, Szegedi Á, Oykova M, Lazarova H, Koseva N, Mihályi MR, Shestakova P. Selective Production of Phenol on Bifunctional, Hierarchical ZSM-5 Zeolites. Molecules. 2021; 26(12):3576. https://doi.org/10.3390/molecules26123576

Chicago/Turabian Style

Popova, Margarita, Ágnes Szegedi, Manuela Oykova, Hristina Lazarova, Neli Koseva, Magdolna R. Mihályi, and Pavletta Shestakova. 2021. "Selective Production of Phenol on Bifunctional, Hierarchical ZSM-5 Zeolites" Molecules 26, no. 12: 3576. https://doi.org/10.3390/molecules26123576

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