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Catalytic tar decomposition of biomass pyrolysis gas with a combination of dolomite and silica
KTH, Superseded Departments, Chemical Engineering and Technology.
KTH, Superseded Departments, Chemical Engineering and Technology.
KTH, Superseded Departments, Chemical Engineering and Technology.
KTH, Superseded Departments, Chemical Engineering and Technology. (Kemisk Teknologi)
2002 (English)In: Biomass and Bioenergy, ISSN 0961-9534, E-ISSN 1873-2909, Vol. 23, no 3, 217-227 p.Article in journal (Refereed) Published
Abstract [en]

In this study the catalytic effects of dolomite and silica on biomass tar decomposition were investigated. The concentration of naphthalene is of particular interest since it is the most difficult compound to decompose when dolomite is used as catalyst. The two catalysts were tested in different combinations to see whether synergetic effects on the cracking of naphthalene could be found. Thermal and catalytic cracking were carried out at 700-900degreesC under ambient pressure in a fixed bed reactor using a tar-rich gas obtained from pyrolysis of different biomass materials. Characterisation of light components of tars using the solid phase adsorption method was also performed. Experimental results indicate that when a pure silica is placed in a layer above the dolomite, considerably less naphthalene and total light tar remains after cracking.

Place, publisher, year, edition, pages
2002. Vol. 23, no 3, 217-227 p.
Keyword [en]
Biomass, tar decomposition, silica, dolomite, SPA analysis method, model-compound, fuel gas, gasification, purification, benzene, bed, air
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-21808DOI: 10.1016/S0961-9534(02)00049-1ISI: 000177364100007OAI: oai:DiVA.org:kth-21808DiVA: diva2:340506
Note
QC 20100525 QC 20120103Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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Myrén, CarinHörnell, ChristinaBjörnbom, EmiliaSjöström, Krister
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CiteExportLink to record
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Citation style
  • apa
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  • vancouver
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  • nn-NB
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  • Other locale
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Output format
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