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Title
Influence of coated olivine on the conversion of intermediate products from decomposition of biomass tars during gasification
AuthorKuba, Matthias ; Kirnbauer, Friedrich ; Hofbauer, Hermann In der Gemeinsamen Normdatei der DNB nachschlagen
Published in
Biomass Conversion and Biorefinery, Berlin ; Heidelberg, 2016, Vol. Article not assigned to an, page 1-11
PublishedSpringer, 2016
Edition
Published version
LanguageEnglish
Document typeJournal Article
Keywords (EN)Biomass gasification / Bed material coating / Catalytic conversion / Steam reforming / 1H-indene / Methane
ISSN2190-6823
URNurn:nbn:at:at-ubtuw:3-1671 Persistent Identifier (URN)
DOI10.1007/s13399-016-0204-z 
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 The work is publicly available
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Influence of coated olivine on the conversion of intermediate products from decomposition of biomass tars during gasification [0.81 mb]
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Abstract (English)

Steam gasification of solid biomass in dual fluidized bed systems is a suitable technology for the production of chemicals, fuels for transportation, electricity, and district heating. Interaction between biomass ash and bed material leads to the development of Ca-rich bed particle layers. Furthermore, incomplete decomposition of biomass leads to the formation of tar components; among these are stable intermediate products such as 1H-indene and stable gaseous hydrocarbons such as methane. In this work, the influence of bed particle layers on the conversion of intermediate products such as 1H-indene and methane via steam reforming was investigated by conducting experiments in a lab-scale test rig. Satisfying conversion of 1H-indene into gaseous molecules (e.g., CO, CO2, H2) was achieved with used, layered olivine, whereas fresh olivine showed significantly poorer performance. Since steam reforming was connected to the water-gas-shift reaction for the tested hydrocarbons, investigations regarding carbon monoxide conversion in the presence of steam were conducted as well. Furthermore, a comparison of the influence of fresh and used bed material concerning the conversion of methane is presented, showing that methane is not affected by the bed material, independent of the presence of particle layers.

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CC-BY-License (4.0)Creative Commons Attribution 4.0 International License