Highly efficient cobalt-promoted V2O5/SiO2 catalyst for the oxidation of volatile organic compounds by ozone

Highly efficient cobalt-promoted V2O5/SiO2 catalyst for the oxidation of volatile organic compounds by ozone Full article

Journal

Russian Chemical Bulletin
ISSN: 1573-9171 , E-ISSN: 1066-5285

Output data

Year: 2024, Volume: 73, Number: 5, Pages: 1201-1207 Pages count : 7 DOI: 10.1007/s11172-024-4236-4

Authors

Bokarev D.A. ¹ , Kanaev S.A. ¹ , Bragina G.O. ¹ , Vaulina A.E. ¹ , Baeva G.N. ¹ , Stakheev A.Yu. ¹

Affiliations

1	N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991, Moscow, Russian Federation

The study demonstrates the possibility of promoting the V2O5/SiO2 catalyst with a small amount of Co to increase its activity in the ozone-assisted catalytic oxidation (OZCO) of volatile organic compounds. It was found that the conversion of n-C4H10 over the Co-promoted V2O5/SiO2 catalyst (0.5% of Co w/w) at 50–100 °C significantly increases compared to that found over the reference catalysts Co3O4/SiO2 and V2O5/SiO2. This is achieved by increasing the rate of O3 decomposition at Co sites, which enhances the formation of reactive atomic oxygen species O*, and subsequent acceleration of the OZCO process. High efficiency of ozone consumption in the OZCO of n-C4H10 over the Co-promoted V2O5/SiO2 catalyst is due to the involvement of molecular oxygen in the oxidation reaction and to minimization of undesired recombination of the O* species.

Bokarev D.A. , Kanaev S.A. , Bragina G.O. , Vaulina A.E. , Baeva G.N. , Stakheev A.Y.
Highly efficient cobalt-promoted V2O5/SiO2 catalyst for the oxidation of volatile organic compounds by ozone
Russian Chemical Bulletin. 2024. V.73. N5. P.1201-1207. DOI: 10.1007/s11172-024-4236-4 WOS Scopus OpenAlex

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