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Benzene conversion in a packed bed loaded with biomass char particles
Linnaeus University, Faculty of Technology, Department of Built Environment and Energy Technology.ORCID iD: 0000-0002-8086-1518
Linnaeus University, Faculty of Technology, Department of Built Environment and Energy Technology.
Linnaeus University, Faculty of Technology, Department of Built Environment and Energy Technology.
2018 (English)In: Energy & Fuels, ISSN 0887-0624, E-ISSN 1520-5029, Vol. 32, no 1, p. 554-560Article in journal (Refereed) Published
Abstract [en]

This study investigates the conversion of benzene in a packed bed containing fine char particles. Benzene and steam were simultaneously supplied to a tubular ceramic reactor that was heated electrically. Fragmented char particles were suspended and continuously supplied via a separate supply line. A packed bed of crushed alumina balls was positioned in the reactor to retain the char particles. The benzene conversion in the hot char bed was investigated by varying the bed temperature (900–1100 °C), steam concentration (0–27 vol %), and char concentration (5–50 g Nm–3). The highest conversions achieved in the experiments were approximately 75%. At comparable char concentrations, similar benzene conversions occurred at 900 and 1000 °C. Increasing the temperature to 1100 °C or increasing the steam concentration reduced the benzene conversion. The results indicate that the reduced conversion was due to enhanced char gasification reactions at elevated temperatures and steam concentrations and thus to reduced char mass in the packed bed.

Place, publisher, year, edition, pages
American Chemical Society (ACS), 2018. Vol. 32, no 1, p. 554-560
Keyword [en]
Tar, char, biomass
National Category
Bioenergy
Research subject
Technology (byts ev till Engineering), Bioenergy Technology
Identifiers
URN: urn:nbn:se:lnu:diva-69105DOI: 10.1021/acs.energyfuels.7b03236ISI: 000423253200059OAI: oai:DiVA.org:lnu-69105DiVA: diva2:1163150
Available from: 2017-12-06 Created: 2017-12-06 Last updated: 2018-02-15Bibliographically approved

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Morgalla, MarioLin, LetengStrand, Michael

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  • apa
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  • Other locale
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