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Manganese oxide as ...
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Lind, Fredrik,1978Chalmers tekniska högskola,Chalmers University of Technology
(författare)
Manganese oxide as catalyst for tar cleaning of biomass-derived gas
- Artikel/kapitelEngelska2012
Förlag, utgivningsår, omfång ...
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2012-04-29
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Springer Science and Business Media LLC,2012
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LIBRIS-ID:oai:research.chalmers.se:d91086c4-c9e5-4f17-b77e-cecd879f8bd4
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https://research.chalmers.se/publication/157264URI
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https://doi.org/10.1007/s13399-012-0042-6DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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The possibilities to upgrade raw gas with the use of a manganese oxide have been investigated in an application for secondary tar cleaning of biomass derived gas. Experiments were conducted in a reactor system where a novel technique that combines tar cleaning with catalyst regeneration is applied. Raw gas from the Chalmers non-catalytic steam biomass gasifier - containing roughly 32 gtar/Nm3gas - was fed to the tar cleaning reactor. The tar reforming qualities of the manganese oxide were evaluated in the reactor system using a mixture of 23 wt% catalysts in silica sand at the temperatures 700 and 800°C. Experiments showed that the catalyst was continuously regenerated from carbon deposits and that the total amount of tars was decreased by as much as 44,5% at a gas residence time of 0.4 s in the bed. The catalyst showed activity in water-gas shift reaction and the H2/CO-ratio increased from 0.6 in the raw gas to a peak value of 1 in the reformed gas at 800°C. Only a slight decrease in methane and acetylene content was observed for both operating temperatures.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Israelsson, Mikael,1985Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)israelsm
(författare)
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Seemann, Martin,1975Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)seemann
(författare)
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Thunman, Henrik,1970Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)heth
(författare)
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Chalmers tekniska högskola
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Biomass Conversion and Biorefinery: Springer Science and Business Media LLC2:2, s. 133 - 1402190-68152190-6823
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