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Effect of Gold Loading on Ceria-Zirconia Support in Total Oxidation of VOCs.

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    SYSNO ASEP0503742
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleEffect of Gold Loading on Ceria-Zirconia Support in Total Oxidation of VOCs.
    Author(s) Gaálová, Jana (UCHP-M) RID, SAI, ORCID
    Topka, Pavel (UCHP-M) RID, ORCID, SAI
    Kaluža, Luděk (UCHP-M) RID, ORCID, SAI
    Soukup, Karel (UCHP-M) RID, SAI, ORCID
    Barbier Jr., J. (FR)
    Source TitleCatalysis Today. - : Elsevier - ISSN 0920-5861
    Roč. 333, 1 August (2019), s. 190-195
    Number of pages6 s.
    Languageeng - English
    CountryNL - Netherlands
    Keywordsgold ; ceria-zirconia mixed oxide ; volatile organic compounds
    Subject RIVCI - Industrial Chemistry, Chemical Engineering
    OECD categoryChemical process engineering
    Method of publishingLimited access
    Institutional supportUCHP-M - RVO:67985858
    UT WOS000470828100026
    EID SCOPUS85045035008
    Annotation0.20, 0.37, 0.83, 1.55 and 3.35 wt.% of gold was impregnated on Ce0.5Zr0.5O2 prepared by sol-gel method. Systematic characterizations of gold catalysts by atomic emission spectroscopy, N2 physisorption, X-ray powder diffraction, H2 chemisorption, transmission electron microscopy, temperature programmed reduction by hydrogen and measurement of oxygen storage capacity allowed detailed monitoring of their characteristics. Subsequently, the catalytic performance and selectivity in the oxidation of selected volatile organic compounds (VOCs) was studied and linked to the physicochemical properties. The study revealed that depending on VOC type, an improvement in catalytic performance with increasing gold loading can be observed despite of gold sintering to large agglomerates during the preparation of catalysts.
    WorkplaceInstitute of Chemical Process Fundamentals
    ContactEva Jirsová,, Tel.: 220 390 227
    Year of Publishing2020
    Electronic address
Number of the records: 1