Reference : Catalytic reforming of biomass gasification tars with bi- or tri-doped catalysts opti...
Scientific congresses and symposiums : Unpublished conference/Abstract
Engineering, computing & technology : Chemical engineering
Engineering, computing & technology : Materials science & engineering
http://hdl.handle.net/2268/199735
Catalytic reforming of biomass gasification tars with bi- or tri-doped catalysts optimized with organosilane precursors
English
Claude, Vincent mailto [Université de Liège > Department of Chemical Engineering > Génie chimique - Nanomatériaux et interfaces >]
Courson, Claire []
Heinrichs, Benoît mailto [Université de Liège > Department of Chemical Engineering > Génie chimique - Nanomatériaux et interfaces >]
Lambert, Stéphanie mailto [Université de Liège > Department of Chemical Engineering > Department of Chemical Engineering >]
8-Jun-2016
30
Yes
No
International
The 11th Natural Gas Conversion Symposium – NGCS 11
du 5 au 9 juin 2016
Tromso
Norvège
[en] aqueous sol-gel process ; alumina ; metallic catalysts ; organosilane precursor ; toluene reforming
[en] The thermochemical method called “biomass gasification” is generating emphatic interest for the production of bio-Syngas (CO + H2) since this process presents the advantage of being renewable without emitting CO2. However, in practical applications, there are still some technical problems due to high tars concentration in the outlet gas which can condensate and clog the pipes.
Many studies have highlighted the fact that the tar elimination via catalytic reforming seem to be the more practical and economical solution. The required properties of the catalysts are determined by its location: inside the reactor (primary catalyst) or outside of the reactor (secondary catalyst). Primary catalysts are generally robust, non-toxic, cheap and they are almost uniquely destined to fluidized bed reactors. Secondary catalysts can be used at the exit of both fluidized and fixed bed reactors. They are characterized by a tailored mesoporous shape, a controlled active site dispersion and an adapted elemental composition [1]. In this work , we decided to focus on designing materials for secondary catalytic applications, i.e. working at relatively low temperature (~650°C) with no mechanical stress.
The supports were made of γ-Al2O3 synthesized via an easy Sol-Gel method. During their synthesis, these supports were doped with 10%wt of nickel and various combinations of metallic dopants (Co, Cu, Fe, Mn, Mo) in the aim of enhancing their catalytic activities and lifetime.
http://hdl.handle.net/2268/199735

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