Batakliev T. T., Rakovsky S. K., Zaikov G. E., Georgiev V. F., Anachkov M. P. CATALYTIC ACTIVITY OF TITANIA-SUPPORTED MANGANESE OXIDE CATALYST IN OZONE DECOMPOSITION
DOI: http://dx.doi.org/10.15688/jvolsu10.2014.5.3
Batakliev Todor Todorov
Associate Professor, PhD, Institute of Catalysis of Bulgarian Academy of Sciences
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G. Boncheva St., 11, 1113 Sofia, Bulgaria
Rakovsky Slavcho Kirilov
Professor, D.Sc., Institute of Catalysis of Bulgarian Academy of Sciences
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G. Boncheva St., 11, 1113 Sofia, Bulgaria
Zaikov Gennady Efremovich
Doctor of Chemical Sciences, Professor, Head of Department of Biological and Chemical Physics of Polymers, Institute of Biochemical Physics named after N.M. Emanuel
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Kosygina St., 4,119334 Moscow, Russian Federation
Georgiev Vladimir Ferdinandov
Associate Professor, PhD, Institute of Catalysis of Bulgarian Academy of Sciences,
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G. Boncheva St., 11, 1113 Sofia, Bulgaria
Anachkov Metodi Parvanov
Associate Professor, PhD in Law, Institute of Catalysis of Bulgarian Academy of Sciences
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G. Boncheva St., 11, 1113 Sofia, Bulgaria
Abstract. The titania-supported Mn oxide system made by incipient wetness impregnation method was investigated in the reaction of heterogeneous catalytic decomposition of ozone. The catalytic activity of the catalysts containing 6, 8 and 10 wt % manganese oxide was found using the decomposition coefficient g which is proportional to ozone decomposition rate. It was established that all catalytic samples are active towards ozone decomposition but the catalyst possessing 10 t % MnOx/TiO2 was the most active. The calculated values of g were in the range of 0.05´10-4–0.4´10-4. The experiments were performed at the temperature range of 258 K to 313 K in a tube glass reactor. It was determined that the activation energy of the process is 11 kJ/mol. The catalyst was characterized by TPR, XRD, AFM, FT-IR spectroscopy and surface measurements. A catalytic cycle of ozone decomposition on MnOx/TiO2 catalyst was proposed.
Key words: ozone, titania, manganese oxide, decomposition, activation energy.
Произведение «CATALYTIC ACTIVITY OF TITANIA-SUPPORTED MANGANESE OXIDE CATALYST IN OZONE DECOMPOSITION» созданное автором по имени Batakliev T. T., Rakovsky S. K., Zaikov G. E., Georgiev V. F., Anachkov M. P. , публикуется на условиях лицензии Creative Commons «Attribution» («Атрибуция») 4.0 Всемирная.
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