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Total Oxidation of Ethanol over Layered Double Hydroxide-Related Mixed Oxide Catalysts: Effect of Cation Composition.
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SYSNO ASEP 0469254 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Total Oxidation of Ethanol over Layered Double Hydroxide-Related Mixed Oxide Catalysts: Effect of Cation Composition. Author(s) Jirátová, Květa (UCHP-M) RID, ORCID, SAI
Kovanda, F. (CZ)
Ludvíková, Jana (UCHP-M) RID, SAI
Balabánová, Jana (UCHP-M) RID, ORCID, SAI
Klempa, Jan (UCHP-M)Source Title Catalysis Today. - : Elsevier - ISSN 0920-5861
Roč. 277, NOV 15 (2016), s. 61-67Number of pages 7 s. Action Czech-Italian-Spanish Conference on Molecular Sieves and Catalysis /16./ Event date 14.06.2015 - 17.06.2015 VEvent location Amantea Country IT - Italy Event type EUR Language eng - English Country NL - Netherlands Keywords layered double hydroxides ; transition metal oxides ; vox oxidation Subject RIV CI - Industrial Chemistry, Chemical Engineering R&D Projects GA14-13750S GA ČR - Czech Science Foundation (CSF) Institutional support UCHP-M - RVO:67985858 UT WOS 000385594800009 EID SCOPUS 84964931627 DOI 10.1016/j.cattod.2015.10.036 Annotation Ethanol total oxidation over mixed oxide catalysts containing various transition metal cations was studied. The MII–MIII layered double hydroxide (LDH) precursors with MII/MIII molar ratio of 2 (MII = Cu, Co, Ni, Cu–Ni, Cu–Co, and Co–Ni; MIII = Mn or Al) were prepared by coprecipitation of nitrate solutions. The ternary mixed oxides containing Mn were more active than the binary Cu–Mn, Co–Mn, and Ni–Mn ones as well as the ternary Al-containing catalysts; the Cu–Ni–Mn mixed oxide was the most active. The catalytic activity increased with increasing amount of easily reducible components and amount of oxygen desorbed from catalysts surface at lower temperatures (up to 500 °C). Main byproduct of the ethanol oxidation was acetaldehyde. Ethanol oxidation over Al-containing catalysts produced lower amounts of acetaldehyde than that over the catalysts comprising Mn; both the Cu–Ni–Mn and Co–Ni–Mn catalysts showed the lowest temperatures of acetaldehyde disappearance. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2017
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