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Volume 13
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Article

Epoxidation of Fatty Acid Methyl Esters with Hydrogen Peroxide Catalyzed by Peroxopolyoxotungstate PW4 Encapsulated in the MIL-100(Cr) Framework

by
Anton L. Esipovich
1,2,
Evgeny A. Kanakov
1,2,*,
Tatyana A. Charykova
1,2 and
Ksenia V. Otopkova
1,2
1
Dzerzhinsk Polytechnic Institute, Engineering and Technology Faculty, Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 603950 Nizhny Novgorod, Russia
2
Chemistry Department, Lobachevsky State University of Nizhny Novgorod, 603950 Nizhny Novgorod, Russia
*
Author to whom correspondence should be addressed.
Catalysts 2023, 13(1), 138; https://doi.org/10.3390/catal13010138
Submission received: 8 December 2022 / Revised: 30 December 2022 / Accepted: 3 January 2023 / Published: 6 January 2023
(This article belongs to the Special Issue Advanced Catalysts for the Production of Fuels or Chemicals from Biomass)
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Abstract

The MIL-100(Cr), PW12@MIL-100(Cr) and PW4@MIL-100(Cr) catalysts were prepared and characterized through XRD, FTIR, BET, SEM, EDS and Raman spectroscopy. A comparison of the catalytic properties of the synthesized materials in the epoxidation of FAMEs with hydrogen peroxide was made. The PW4@MIL-100(Cr) catalyst exhibited the highest catalytic activity and provided a high selectivity for the formation of epoxides. The effects of the reaction temperature, catalyst loading, reaction time and FAME:hydrogen peroxide molar ratio on the reaction performance were investigated, and the optimal process conditions were determined. An epoxide yield of 73% with a selectivity of 77% could be obtained using PW4@MIL-100(Cr) after 4 h at 40 °C. The catalytic stability test showed that PW4@MIL-100(Cr) could be easily separated and reused without any treatment for at least five consecutive cycles without a loss of activity or selectivity.
Keywords: fatty acid methyl esters; metal–organic frameworks; epoxidation; polyoxotungstates; phosphotungstic acid; MIL-100(Cr) fatty acid methyl esters; metal–organic frameworks; epoxidation; polyoxotungstates; phosphotungstic acid; MIL-100(Cr)

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MDPI and ACS Style

Esipovich, A.L.; Kanakov, E.A.; Charykova, T.A.; Otopkova, K.V. Epoxidation of Fatty Acid Methyl Esters with Hydrogen Peroxide Catalyzed by Peroxopolyoxotungstate PW4 Encapsulated in the MIL-100(Cr) Framework. Catalysts 2023, 13, 138. https://doi.org/10.3390/catal13010138

AMA Style

Esipovich AL, Kanakov EA, Charykova TA, Otopkova KV. Epoxidation of Fatty Acid Methyl Esters with Hydrogen Peroxide Catalyzed by Peroxopolyoxotungstate PW4 Encapsulated in the MIL-100(Cr) Framework. Catalysts. 2023; 13(1):138. https://doi.org/10.3390/catal13010138

Chicago/Turabian Style

Esipovich, Anton L., Evgeny A. Kanakov, Tatyana A. Charykova, and Ksenia V. Otopkova. 2023. "Epoxidation of Fatty Acid Methyl Esters with Hydrogen Peroxide Catalyzed by Peroxopolyoxotungstate PW4 Encapsulated in the MIL-100(Cr) Framework" Catalysts 13, no. 1: 138. https://doi.org/10.3390/catal13010138

APA Style

Esipovich, A. L., Kanakov, E. A., Charykova, T. A., & Otopkova, K. V. (2023). Epoxidation of Fatty Acid Methyl Esters with Hydrogen Peroxide Catalyzed by Peroxopolyoxotungstate PW4 Encapsulated in the MIL-100(Cr) Framework. Catalysts, 13(1), 138. https://doi.org/10.3390/catal13010138

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