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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Iwaniszyn, Marzena
Institute of Chemical Engineering
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (4/4 displayed)
- 2016Cu SSZ-13 zeolite catalyst on metallic foam support for SCR of NOx with ammonia: Catalyst layering and characterisation of active sitescitations
- 2015Selective catalytic reduction of nitrogen oxides on a zeolite catalyst deposited on metallic foam carrier
- 2012Coupled engineering and chemical approach to the design of a catalytic structured reactor for combustion of VOCs : cobalt oxide catalyst on knitted wire gauzescitations
- 2012Coupled engineering and chemical approach to the design of a catalytic structured reactor for combustion of VOCs: Cobalt oxide catalyst on knitted wire gauzescitations
Places of action
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article
Cu SSZ-13 zeolite catalyst on metallic foam support for SCR of NOx with ammonia: Catalyst layering and characterisation of active sites
Abstract
A particular aim of this work was to develop a method of catalyst layering on the surface of metallic catalyst carriers used in structured reactors. The CuSSZ-13 catalyst was chosen as a prospective catalyst for SCR of NOx converter for exhaust from biogas engines. For the first time in the literature the method of in situ synthesis CuSSZ-13 catalyst was elaborated and tested for precalcined Kanthal foam. The CuSSZ-13 catalyst prepared in such a way demonstrated very high activity in NH3-SCR of NO with ammonia and high hydrothermal stability in comparison with analogically prepared CuZSM-5 used as a reference catalyst. The active centres working during SCR at various temperatures were investigated by in situ FTIR experiments with NH3 and CO probe molecules. The structure-activity relationships found for catalyst working at high temperature show that the Lewis acidic Cu+ sites are available exclusively for NO and Bronsted acidic sites for NH3 sorption above 400 degrees C. Furthermore, high hydrothermal stability of the CuSSZ-13 catalyst is correlated to the favourable location of Al atoms in the zeolite lattice which prevents dealumination and also to the resulted from this stabilization of copper Cu+ active sites.