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Title: EFFECT OF PREPARATION PROCEDURE ON FORMATION OF CERIUM AND MANGANESE OXIDES
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EFFECT OF PREPARATION PROCEDURE ON FORMATION OF CERIUM AND MANGANESE OXIDES
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1314-2704
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English
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21
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5.1
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• Prof. DSc. Oleksandr Trofymchuk, UKRAINE
• Prof. Dr. hab. oec. Baiba Rivza, LATVIA |
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The current investigation is focused on the preparation and characterization of cerium and manganese oxides by two different but easy to implement procedures and their application as catalysts for ethyl acetate total oxidation, as one of the most difficult to completely oxidize VOC pollutant. The elucidation of the relation between the preparation procedure used and the structure, texture, morphology, surface and catalytic properties of the obtained materials was the main challenge in the study. For the purpose, the obtained materials were characterized by a complex of different physicochemical techniques, such as nitrogen physisorption, XRD, SEM and Raman spectroscopies and TPR with hydrogen. The results show high dependency of the materials catalytic properties on the synthesis method. It was found that the varying fractions of redox-active Mn2+/Mn3+/Mn4+ surface sites and the high proportion of oxygen species together with the particle dispersion and morphology are important for high specific catalytic activity of MnxOy in investigated catalytic reaction.
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conference
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21st International Multidisciplinary Scientific GeoConference SGEM 2021
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21st International Multidisciplinary Scientific GeoConference SGEM 2021, 16 - 22 August, 2021
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Proceedings Paper
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STEF92 Technology
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SGEM International Multidisciplinary Scientific GeoConference
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci
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99-106
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16 - 22 August, 2021
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website
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cdrom
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8122
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manganese and cerium oxide nanoparticles; total oxidation of ethyl acetate.
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