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Catalytic Activity of Cobalt Impregnated on Ordered Mesoporous Silica Materials in N2O Decomposition.
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SYSNO ASEP 0472862 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Catalytic Activity of Cobalt Impregnated on Ordered Mesoporous Silica Materials in N2O Decomposition. Author(s) Kuboňová, L. (CZ)
Fridrichová, D. (CZ)
Peikertová, P. (CZ)
Mamulová Kutláková, K. (CZ)
Kozubová, S. (CZ)
Jirátová, Květa (UCHP-M) RID, ORCID, SAI
Obalová, L. (CZ)
Cool, P. (BE)Source Title Conference Proceedings. - Ostrava : TANGER LTD, 2015 - ISBN 978-80-87294-63-5 Pages s. 242-248 Number of pages 6 s. Publication form Online - E Action International Conference on Nanomaterials - Research & Application /7./ Event date 14.10.2015 - 15.10.2015 VEvent location Brno Country CZ - Czech Republic Event type EUR Language eng - English Country CZ - Czech Republic Keywords mesoporous ordered silica ; aluminum ; cobalt Subject RIV CI - Industrial Chemistry, Chemical Engineering Institutional support UCHP-M - RVO:67985858 UT WOS 000374708800042 EID SCOPUS 84962886324 Annotation Three different ordered mesoporous silica materials, such as MCM-41, Al containing MCM-41 (mass ratio Si/Al = 10) and SBA-15, were prepared. In a next step, cobalt (5-8 wt%) as an active metal for redox reactions, was introduced by the impregnation. The prepared catalysts were characterized by AAS, EDX, N-2 physisorption, XRD, DR UV-Vis spectroscopy, Raman spectroscopy, TPR-H-2 and their catalytic properties were evaluated for N2O decomposition and reduction. The catalysts showed poor activity in N2O decomposition while the use of reducing agent (carbon monoxide) was beneficial for their catalytic activities. The lowest catalytic activity showed Co/Al-MCM indicating that the aggregated CoxOy species present in this catalyst were inactive and not beneficial for the catalytic activity. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2017 Electronic address http://hdl.handle.net/11104/0270085
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