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dc.contributor.authorSong, Yao
dc.contributor.authorZhao, Y.
dc.contributor.authorHu, X.
dc.contributor.authorZhang, Lei
dc.contributor.authorSun, S.
dc.contributor.authorLi, C.
dc.identifier.citationSong, Y. and Zhao, Y. and Hu, X. and Zhang, L. and Sun, S. and Li, C. 2018. Destruction of tar during volatile-char interactions at low temperature. Fuel Processing Technology. 171: pp. 215-222.

This study aims to investigate the mechanisms of tar destruction during volatile-char interactions at low temperature (400–700 °C). A bio-char was subjected to interactions with biomass volatiles at different temperatures (400–700 °C). The results indicate that tar is converted into gaseous and solid products (coke) during volatile-char interactions and the proportion of coke formed on the bio-char from the total converted tar steadily increases with increasing temperature. The non-aromatic structures (e.g. aliphatic and/or O-containing structures) in tar are mainly converted into gases by catalytic cracking and/or reforming reactions on char, while the aromatic structures in tar primarily go through condensation/polymerisation reactions to form coke on char surface. The UV-fluorescence spectroscopic results imply that the non-aromatic structures in tar are easier converted on char than aromatic structures at low temperature (e.g. 400–500 °C) and the conversion of aromatic stru ctures through coke formation on char will be enhanced at higher temperature (e.g. 600–700 °C). The Raman spectroscopic results show that some O-containing species in tar molecules are transferred to the char and form additional O-containing structures into the entire char matrix during the volatile-char interactions.

dc.titleDestruction of tar during volatile-char interactions at low temperature
dc.typeJournal Article
dcterms.source.titleFuel Processing Technology
curtin.departmentFuels and Energy Technology Institute
curtin.accessStatusFulltext not available

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