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Effect of Gold Loading on Ceria-Zirconia Support in Total Oxidation of VOCs.
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SYSNO ASEP 0503742 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Effect 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 Title Catalysis Today. - : Elsevier - ISSN 0920-5861
Roč. 333, 1 August (2019), s. 190-195Number of pages 6 s. Language eng - English Country NL - Netherlands Keywords gold ; ceria-zirconia mixed oxide ; volatile organic compounds Subject RIV CI - Industrial Chemistry, Chemical Engineering OECD category Chemical process engineering Method of publishing Limited access Institutional support UCHP-M - RVO:67985858 UT WOS 000470828100026 EID SCOPUS 85045035008 DOI 10.1016/j.cattod.2018.04.005 Annotation 0.20, 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. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2020 Electronic address http://hdl.handle.net/11104/0296867
Number of the records: 1