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Effects of Chinese dolomites on tar cracking in gasification of birch
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology. (Kemisk Teknologi)
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology.
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology.
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology.
2009 (English)In: Fuel, ISSN 0016-2361, E-ISSN 1873-7153, Vol. 88, no 10, 1922-1926 p.Article in journal (Refereed) Published
Abstract [en]

To minimize tar in the producer gas from birch gasification at 700, 750 and 800 degrees C, four Chinese dolomites (Zhenjiang, Nanjing, Shanxi, Anhui) and a Swedish dolomite (Sala) used as reference were studied in a laboratory-scale atmospheric fluidized bed gasifier. The gasifier was equipped with a downstream fixed catalyst bed. The results imply that all dolomites but Anhui dolomite effectively decompose tar into gases. Anhui dolomite showed a low catalytic capacity to crack tar produced at 700 and 800 degrees C. The influence of various ratios of steam to biomass on tar content in the producer gas after passing over dolomite was studied. The tar cracking efficiency of the dolomites did not improve significantly with the ratio of steam to biomass in the region 0.11-0.52.

Place, publisher, year, edition, pages
2009. Vol. 88, no 10, 1922-1926 p.
Keyword [en]
Biomass, Gasification, Chinese dolomite, Tar, Carbon monoxide, biomass pyrolysis-gas, calcined dolomite, steam, separation, hydrogen
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-18620DOI: 10.1016/j.fuel.2009.04.020ISI: 000268164800017Scopus ID: 2-s2.0-67649786600OAI: oai:DiVA.org:kth-18620DiVA: diva2:336667
Note
QC 20100525 QC 20111116Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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CiteExportLink to record
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