Title
Catalytic activity of cobalt impregnated on ordered mesoporous silica materials in n2o decompositionCatalytic activity of cobalt impregnated on ordered mesoporous silica materials in n2o decomposition
Author
Faculty/Department
Faculty of Sciences. Chemistry
Research group
Laboratory of adsorption and catalysis
Publication type
conferenceObject
Publication
Slezska :Tanger ltd,
Subject
Physics
Engineering sciences. Technology
Source (journal)
NANOCON 2015: 7TH INTERNATIONAL CONFERENCE ON NANOMATERIALS - RESEARCH & APPLICATION
Source (book)
7th International Conference on Nanomaterials - Research and Application, OCT 14-16, 2015, Brno, CZECH REPUBLIC
Volume/pages
(2015), p. 242-248
ISBN
978-80-87294-63-5
ISI
000374708800042
Carrier
E
Target language
English (eng)
Affiliation
University of Antwerp
Abstract
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.
E-info
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Full text (open access)
https://repository.uantwerpen.be/docman/irua/1eca7d/134189.pdf
Handle