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Article
An investigation into the effect of biomass particle size on its torrefaction
Article first published online: 4 JUN 2012
DOI: 10.1002/cjce.21710
Copyright © 2012 Canadian Society for Chemical Engineering
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How to Cite
Basu, P., Rao, S. and Dhungana, A. (2013), An investigation into the effect of biomass particle size on its torrefaction. Can. J. Chem. Eng., 91: 466–474. doi: 10.1002/cjce.21710
Publication History
- Issue published online: 5 FEB 2013
- Article first published online: 4 JUN 2012
- Manuscript Accepted: 12 JAN 2012
- Manuscript Revised: 14 DEC 2011
- Manuscript Received: 17 OCT 2011
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Keywords:
- torrefaction;
- biomass;
- renewable energy;
- thermochemical conversion;
- bio-coal size;
- diameter–length
Abstract
Present work examines an important practical aspect of torrefaction that is, the effect of size and shape of biomass on torrefaction. Experiments were conducted on different sizes of Poplar and Oak wood in directly heated torrefaction reactors. Experiments were conducted with 13, 19 and 25 mm diameter Poplar wood with lengths varying from 8 to 65 mm long. Most of the experiments were conducted at 250°C for 60 min in a directly heated convective reactor with limited few in a fluidised bed reactor. Results showed increase in mass and energy yield with increasing particle length but opposite with particle diameter. © 2012 Canadian Society for Chemical Engineering