Browsing by Author "Dimitrov M."

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    Mössbauer study of iron-based perovskite-type materials as potential catalysts for ethyl acetate oxidation
    (2010-01-01) Paneva D.; Dimitrov M.; Velinov N.; Kolev H.; Kozhukharov V.; Tsoncheva T.; Mitov I.
    La-Sr-Fe perovskite-type oxides were prepared by the nitrate-citrate method. The basic object of this study is layered Ruddlesden-Popper phase LaSr3Fe3O10. The phase composition and structural properties of the obtained materials are investigated by Mössbauer spectroscopy, X-ray diffraction (XRD), X-ray Photoelectron Spectroscopy (XPS) and temperature programmed reduction (TPR). The preliminary catalytic tests show a high potential of these materials for volatile organic compounds (VOCs) elimination as they possess high conversion ability and selectivity to total oxidation of ethyl acetate. Catalytic performance of LaSr3Fe3O10 is depended on the stability of structure and Fe4+-oxidation state. © 2010 IOP Publishing Ltd.