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Effects of several types of biomass fuels on the yield, nanostructure and reactivity of soot from fast pyrolysis at high temperatures
Department of Chemical and Biochemical Engineering, Technical University of Denmark.ORCID iD: 0000-0002-6571-3277
Department of Chemical and Biochemical Engineering, Technical University of Denmark.
Department of Chemical and Biochemical Engineering, Technical University of Denmark.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.
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Number of Authors: 92016 (English)In: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 171, p. 468-482Article in journal (Refereed) Published
Abstract [en]

This study presents the effect of biomass origin on the yield, nanostructure and reactivity of soot. Soot was produced from wood and herbaceous biomass pyrolysis at high heating rates and at temperatures of 1250 and 1400 °C in a drop tube furnace. The structure of solid residues was characterized by electron microscopy techniques, X-ray diffraction and N2 adsorption. The reactivity of soot was investigated by thermogravimetric analysis. Results showed that soot generated at 1400 °C was more reactive than soot generated at 1250 °C for all biomass types. Pinewood, beechwood and wheat straw soot demonstrated differences in alkali content, particle size and nanostructure. Potassium was incorporated in the soot matrix and significantly influenced soot reactivity. Pinewood soot particles produced at 1250 °C had a broader particle size range (27.2–263 nm) compared to beechwood soot (33.2–102 nm) and wheat straw soot (11.5–165.3 nm), and contained mainly multi-core structures.

Place, publisher, year, edition, pages
2016. Vol. 171, p. 468-482
National Category
Energy Engineering
Research subject
Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-8229DOI: 10.1016/j.apenergy.2016.02.127ISI: 000375515500040Scopus ID: 2-s2.0-84961696324Local ID: 6b3d9178-cd17-4232-8394-79d6664dec60OAI: oai:DiVA.org:ltu-8229DiVA, id: diva2:981120
Note

Validerad; 2016; Nivå 2; 20160329 (andbra)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Trubetskaya, AnnaLlamas, Angel David GarciaUmeki, Kentaro

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