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Deactivation of a Ni-Based Reforming Catalyst During the Upgrading of the Producer Gas, from Simulated to Real Conditions
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2011 (English)In: Topics in catalysis, ISSN 1022-5528, E-ISSN 1572-9028, Vol. 54, no 10, 746-754 p.Article in journal (Refereed) Published
Abstract [en]

The deactivation of a nickel reforming catalyst during the upgrading of the producer gas obtained by gasification of lignocellulosic biomass was studied. The research involved several steps: the selective deactivation of the catalyst in a laboratory scale; the streaming of the catalyst with the producer gas of a downdraft and an oxygen/steam circulating fluidized bed (CFB) gasifier; and tests in a reformer placed in a slipstream of the CFB gasifier. The information obtained allowed to elucidate the catalyst deactivation mechanisms taking place during the reforming of the producer gas: physical deactivation by deposition of fine ashes, aerosol particulate or carbon; poisoning by H2S and HCl present in the gas phase and thermal sintering because of the high operation temperatures required to avoid the chemical deactivation. These physical and chemical effects depended on the composition of the biomass fuel.

Place, publisher, year, edition, pages
2011. Vol. 54, no 10, 746-754 p.
Keyword [en]
Producer gas upgrading, Reforming, Ni catalyst, Deactivation
National Category
Energy Engineering
Research subject
Technology (byts ev till Engineering), Bioenergy Technology
Identifiers
URN: urn:nbn:se:lnu:diva-13445DOI: 10.1007/s11244-011-9689-7OAI: oai:DiVA.org:lnu-13445DiVA: diva2:429729
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CHRISGAS
Available from: 2011-07-05 Created: 2011-07-05 Last updated: 2015-11-16Bibliographically approved

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Publisher's full texthttp://dx.doi.org/10.1007/s11244-011-9689-7

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Brandin, JanEinvall, Jessica
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CiteExportLink to record
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Cite
Citation style
  • apa
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  • vancouver
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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