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Properties and Activity of Modified Ni-Mg-Mn and Co-Mn-Al Mixed Oxides in Total Oxidation of VOCs.
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SYSNO ASEP 0091256 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Properties and Activity of Modified Ni-Mg-Mn and Co-Mn-Al Mixed Oxides in Total Oxidation of VOCs. Title Vlastnosti NiMgMn a CoMnAl modifikovaných katalyzátorů a jejih aktivita při totální oxidaci VOC. Author(s) Mikulová, Zuzana (UCHP-M)
Kovanda, F. (CZ)
Klempa, Jan (UCHP-M)
Jirátová, Květa (UCHP-M) RID, ORCID, SAISource Title Proceedings. - Bratislava : Slovak Society of Chemical Engineering, 2007 / Markoš J. ; Štefuca V. - ISBN 978-80-227-2640-5 Pages s. 173 Number of pages 12 KB s. Action International Conference of Slovak Society of Chemical Engineering /34./ Event date 21.05.2007-25.05.2007 VEvent location Tatranské Matliare Country SK - Slovakia Event type EUR Language eng - English Country SK - Slovakia Keywords catalytic oxidation ; voc ; promotors Subject RIV CF - Physical ; Theoretical Chemistry R&D Projects GA104/07/1400 GA ČR - Czech Science Foundation (CSF) GD203/03/H140 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z40720504 - UCHP-M (2005-2011) Annotation In this work, NiMgMn and CoMnAl mixed oxide system were modified with a small amount of noble metals (Pd, Pt) or La during coprecipitation to improve their catalytic properties. Catalysts were characterized by BET, TPR, TPD and thein activity and selektivity in total oxidation of toluene or ethanol was examined (GHSW=10 m3kg-1h-1). The NiMgMn catalyst promoted with 3 wt% La was the most active in both toluene and ethanol oxidation.The reaction product obtained at higher conversion of toluene over the parent mixed oxi de catalysts was only CO2. The products of ethanol oxidation apart from CO2, acetaldehyde and acetin acid were detected. Modification of CoMnAl mixed oxide decreased formation of acetaldehyde to non-detectable values at ethanol conversion higher than 80%. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2008
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