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Fuel particle conversion of pulverized biomass during pyrolysis in an entrained flow reactor
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0001-6081-5736
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science. Monash University, Melbourne, VIC.ORCID iD: 0000-0002-8235-9839
Monash University, Melbourne, VIC.
Monash University, Melbourne, VIC.
2012 (English)In: Industrial & Engineering Chemistry Research, ISSN 0888-5885, E-ISSN 1520-5045, Vol. 51, no 43, p. 13973-13979Article in journal (Refereed) Published
Abstract [en]

This study addresses the change of char morphology and fuel conversion during pyrolysis in a laminar entrained flow reactor by experiments and particle simulation. Three experimental parameters were examined: reaction temperature (1073 and 1273 K); particle size (125–250, 250–500, and 500–1000 μm); and the length of reaction zone (650 and 1885 mm). The scanning electron microscopic (SEM) images showed that biomass swelled during heating and shrank during initial stage of pyrolysis. Then, char morphology transformed to cenospheres after the plastic stage. The yields of solid residue from the experiments were reasonably predicted by particle simulation. To give a guideline for the design of laminar entrained flow pyrolysis reactors, the required reactor length for complete conversion of biomass was also calculated for the pyrolysis. High reaction temperature, small particles, and slower gas flow were favorable for high fuel conversion.

Place, publisher, year, edition, pages
2012. Vol. 51, no 43, p. 13973-13979
National Category
Energy Engineering
Research subject
Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-5972DOI: 10.1021/ie301530jLocal ID: 42ae2111-164f-4c6c-89da-be6f181227bdOAI: oai:DiVA.org:ltu-5972DiVA: diva2:978848
Note
Validerad; 2012; 20121102 (umeken)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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