Experiments and modeling of fixed-bed debarking residue pyrolysis: The effect of fuel bed properties on product yields

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Research units

  • University of Sheffield


This paper presents a study on the fixed-bed pyrolysis of debarking residue obtained from Norway spruce. Analysis is based on the dynamic model of packed bed pyrolysis which was calibrated by determining appropriate reaction rates and enthalpies to match the model predictions with the experimental data. The model comprises mass, energy and momentum equations coupled with a rate equation that describes both the primary and secondary pyrolysis reactions. The experiments used for the model calibration determined the yields of solid, liquid and gaseous pyrolysis products as well as their compositions at three distinct holding temperatures. Subsequently, the dynamic model was used to predict the product yields and to analyze the underlying phenomena controlling the overall pyrolysis reaction in a fixed-bed reactor. (C) 2015 Elsevier Ltd. All rights reserved.


Original languageEnglish
Pages (from-to)581-591
Number of pages11
JournalChemical Engineering Science
Publication statusPublished - 22 Dec 2015
MoE publication typeA1 Journal article-refereed

    Research areas

  • Woody biomass, Pyrolysis modeling, Pyrolysis experiments, Norway spruce debarking residue, Fixed-bed pyrolysis, Pyrolysis product yields, PACKED-BEDS, THERMAL-DECOMPOSITION, BIOMASS PARTICLES, WOOD PYROLYSIS, SLOW PYROLYSIS, WEIGHT-LOSS, HEAT, COMBUSTION, CELLULOSE, HEMICELLULOSE

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