Using Immobilized Hybrid Composites Based on Mixed Polyoxometalates As Catalysts for the Oxidation of Heteroatomic Compounds
- Authors: Zelikman V.M.1, Maslakov K.I.1, Ivanin I.A.1, Tarkhanova I.G.1
- 
							Affiliations: 
							- Faculty of Chemistry, Moscow State University
 
- Issue: Vol 97, No 9 (2023)
- Pages: 1239-1247
- Section: CHEMICAL KINETICS AND CATALYSIS
- Submitted: 26.02.2025
- Published: 01.09.2023
- URL: https://rjdentistry.com/0044-4537/article/view/668656
- DOI: https://doi.org/10.31857/S0044453723090273
- EDN: https://elibrary.ru/XQBDHD
- ID: 668656
Cite item
Abstract
A set of silica gel-immobilized compounds is synthesized that consists of ethylimidazole cations and anions of phosphotungstic acid (lacunar (PW11) or mixed (PW11M), where M = Zn, Ni, Cu, Co, Mn). The composition and textural characteristics of the compounds are determined by physicochemical means (IR spectroscopy, XPS, SEM/EDX, adsorption). The synthesized heterogeneous composites are active in the oxidation of sulfur- and nitrogen-containing components of petroleum feedstocks with hydrogen peroxide. A comparative analysis is performed of the samples’ catalytic properties in the oxidation of both individual substrates (thiophene, dibenzothiophene, methyl phenyl sulfide, pyridine) and their mixtures.
About the authors
V. M. Zelikman
Faculty of Chemistry, Moscow State University
														Email: itar_msu@mail.ru
				                					                																			                												                								119991, Moscow, Russia						
K. I. Maslakov
Faculty of Chemistry, Moscow State University
														Email: itar_msu@mail.ru
				                					                																			                												                								119991, Moscow, Russia						
I. A. Ivanin
Faculty of Chemistry, Moscow State University
														Email: itar_msu@mail.ru
				                					                																			                												                								119991, Moscow, Russia						
I. G. Tarkhanova
Faculty of Chemistry, Moscow State University
							Author for correspondence.
							Email: itar_msu@mail.ru
				                					                																			                												                								119991, Moscow, Russia						
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