The effect of FeSO4 and nanocluster polyoxometalates on the oxidation of phenol persulfate in an alcohol medium
S.Yu. Menshikov1, A.N. Malyshev1,2, V.S. Kurmacheva1, M.O. Tonkushina2, A.A. Ostroushko2
1 Ural State Mining University
2 Ural Federal University named after the first President of Russia B.N. Yeltsin
DOI: 10.26456/pcascnn/2023.15.992
Original article
Abstract: The catalytic properties of FeSO4, nanocluster ferro-molybdenum polyoxometalate {Mo72Fe30} and nanocluster molybdenum polyoxometalate {Mo132} have been studied during the oxidation of phenol in ethanolisobutanol solution with persulfate. To determine the oxidation products, phenol, ethanol and isobutanol of an acidic nature, sulfonic cation exchanger KU-2 (the grade of ion exchange resin established by the state standard of the Russian Federation GOST 20298-74) was added to the reaction mixture in each experiment to catalyze the esterification reaction of acid oxidation products with the initial alcohols. Acid esterification products were identified by the vapor-phase chromatography method with a mass spectroscopic detector. According to the conversion of phenol, ethanol and isobutanol, the catalytic properties of a homogeneous FeSO4 catalyst (similar to Fenton’s reagent) with heterogeneous catalysts (polyoxometalates) were compared. These data suggest the possibility of further searching for heterogeneous catalysts containing Fe and Mo in their composition during the destruction of phenol by peroxide compounds.
Keywords: polyoxometalate, Keplerate, FeSO4, catalytic properties, phenol oxidation in ethanol-isobutanol medium, potassium persulfate, gas chromatography mass spectrometry
- Sergei Yu. Menshikov – Ph. D., Docent, Chemistry Department, Ural State Mining University
- Alexander N. Malyshev – Laboratory Assistant-Researcher, Research Laboratory of Analytical Chemistry, Ural State Mining University, 2nd year graduate student, Department of Physico-Chemical Methods of Analysis, Institute of Physics and Technology Ural Federal University named after the first President of Russia B.N. Yeltsin
- Vera S. Kurmacheva – 4th year student, Faculty of Mining and Technology, Ural State Mining University
- Margarita O. Tonkushina – Ph. D., Researcher, Department of Chemical Materials Science, Institute of Natural Sciences and Mathematics, Ural Federal University named after the first President of Russia B.N. Yeltsin
- Alexander A. Ostroushko – Dr. Sc., Professor, Professor of Physical and Inorganic Chemistry Department, Institute of Natural Sciences and Mathematics, Ural Federal University named after the first President of Russia B.N. Yeltsin, Chief Researcher and Head of Department of Chemical Materials Science, Scientific Research Institute of Physics and Applied Mathematics of Institute of Natural Sciences and Mathematics, Ural Federal University named after the first President of Russia B.N. Yeltsin
Reference:
Menshikov, S.Yu. The effect of FeSO4 and nanocluster polyoxometalates on the oxidation of phenol persulfate in an alcohol medium / S.Yu. Menshikov, A.N. Malyshev, V.S. Kurmacheva, M.O. Tonkushina, A.A. Ostroushko // Physical and chemical aspects of the study of clusters, nanostructures and nanomaterials. — 2023. — I. 15. — P. 992-999. DOI: 10.26456/pcascnn/2023.15.992. (In Russian).
Full article (in Russian): download PDF file
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