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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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Simell, Pekka
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2022Carbon Formation in the Reforming of Simulated Biomass Gasification Gas on Nickel and Rhodium Catalystscitations
- 2018Whisker carbon formation in catalytic steam reforming of biomass gasification gascitations
- 2018Atomic layer deposition of Ti-Nb-O thin films onto electrospun fibers for fibrous and tubular catalyst support structurescitations
- 2017Method for forming catalytic nanocoating
- 2015ALD deposition of core-shell structures onto electrospun carbon webs for PEM fuel cell MEAs
- 2011Thermal plasma-sprayed nickel catalysts in the clean-up of biomass gasification gascitations
- 2007Development of zirconia catalysts for hot gas cleanup
- 2007Solid oxide fuel cell system development in VTTcitations
- 2006Characterization and control of autothermal reformer for SOFC applications
- 2000Development of novel fixed-bed gasification for biomass residues and agrobiofuels
Places of action
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document
Development of zirconia catalysts for hot gas cleanup
Abstract
Cleaning of gasification gas is essential, because tar may cause operational problems in downstream processes. Zirconia catalysts are active intar decomposition with minor tendency to coking and deactivation by sulfur.This study describes the catalyst testing carried out in different scales. Ceramic monoliths were coated with slurries prepared from powders. At firstthe samples were made only for a small scale testing, after which a catalystfor slip-stream tests was selected. In the laboratory tests all the studied modified zirconias (undoped and three different dopants coded A, B, A-C) showed the activity of ca. 50 % in the tar decomposition already at 600°C. The maximum tar conversion with different dopants is reached at the temperature of 800 °C or higher. The most stable conversion at the measured temperature range was measured with the A-C zirconia, having tar conversion around 90%. The doping of zirconia has clearly a positive effect on the catalytic activity in tar decomposition. With the best dopant, a high conversion at the wide temperature range was measured giving flexibility in the process development of the catalytic reforming unit for the cleaning of the gasification gas.