Energy requirement for fine grinding of torrefied wood
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Repellin et al. (2010) found that grinding energy of torrefied spruce is reduced to around 100 kWh/tonne and 400 kWh/tonne at 280 °C and 200 °C, respectively, compared with 750 kWh/tonne for raw spruce.
“Repellin et al. (2010) found that the grinding energy of torrefied spruce is reduced to around 100 kWh/tonne and 400 kWh/tonne at 280 °C and 200 °C, respectively compared with that of 750 kWh/tonne for the raw spruce.”
From A Comprehensive Review on Biomass Torrefaction (2014) · cites this paper as Repellin et al. (2010)
The Abstract (page unavailable) says torrefaction decreases grinding energy and includes spruce among the woods studied. The available passages do not give the claimed values of 100, 400, or 750 kWh/tonne or link them to 280 °C and 200 °C. (LLM, conf=0.78)
Experimental — accuracy not yet measuredThe particle size distribution curve skews more towards lower particle sizes at different torrefaction temperatures compared with untreated biomass.
“The particle size distribution curve also skews more towards lower particle sizes at different torrefaction temperature compared to untreated biomass (Phanphanich and Mani, 2011;Repellin et al., 2010).”
From A Comprehensive Review on Biomass Torrefaction (2014) · cites this paper as Repellin et al., 2010
Repellin et al. (2010) suggested a linear relationship between particle size and anhydrous weight loss during torrefaction.
“Repellin et al. (2010) suggested a linear relationship between the particle size and the anhydrous weight loss during the torrefaction.”
From A Comprehensive Review on Biomass Torrefaction (2014) · cites this paper as Repellin et al. (2010)
Torrefaction reduces grinding energy.
“reduces grinding energy (Repellin et al., 2010;Phanphanich and Mani, 2011)”
From A Comprehensive Review on Biomass Torrefaction (2014) · cites this paper as Repellin et al., 2010
The indexed copy provides the claim only in a passage labeled Abstract. Searches for grinding-energy results in the paper’s body returned no body-text passages; the remaining passages are repository metadata. Because the abstract is not admissible evidence under the stated rubric, the claim cannot be verified from the available text. (LLM, conf=0.72)
Experimental — accuracy not yet measuredBiomass possessing visco-elastic and plastic behaviors dissipates much energy before failure, increasing the energy cost of grinding.
“Biomass possessing visco-elastic and plastic behaviors dissipates much energy before failure, increasing the energy cost of grinding (Repellin et al., 2010).”
From A Comprehensive Review on Biomass Torrefaction (2014) · cites this paper as Repellin et al., 2010
The available Abstract reports that torrefaction reduces wood-grinding energy, but it does not discuss viscoelastic or plastic behavior, energy dissipation before failure, or the proposed mechanism for grinding cost. Searches for those terms and for plastic deformation and fracture returned no relevant passage from our copy. (LLM, conf=0.70)
Experimental — accuracy not yet measured
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Cites
Geldart, D. (1973) · Powder Technology · doi:10.1016/0032-5910(73)80037-3 · Cited by 3,481 · cited 1× · see citing works
“Reina et al found that wood powder has a cohesive behaviour according to Geldart classification [14] and [15].”
Wood: Chemistry, ultrastructure, reactions
(1983) · doi:10.1515/9783110839654 · Cited by 2,846 · see citing works
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Weber, K., & Quicker, P. (2018) · Fuel · doi:10.1016/j.fuel.2017.12.054 · Cited by 1,522 · see citing works
Biochar: A synthesis of its agronomic impact beyond carbon sequestration
Spokas, K. A., Cantrell, K. B., Novak, J. M., Archer, D. W., Ippolito, J. A., Collins, H. P., Boateng, A. A., Lima, I. M., Lamb, M. C., McAloon, A. J., et al. (2012) · Journal of Environmental Quality · doi:10.2134/jeq2011.0069 · Cited by 1,014 · see citing works
A Comprehensive Review on Biomass Torrefaction
Nhuchhen, D., Basu, P., & Acharya, B. (2014) · International Journal of Renewable Energy & Biofuels · doi:10.5171/2014.506376 · Cited by 300 · see citing works
A review on advances of torrefaction technologies for biomass processing
Acharya, B., Sule, I., & Dutta, A. (2012) · Biomass Conversion and Biorefinery · doi:10.1007/s13399-012-0058-y · Cited by 244 · see citing works
Characterizing variability in lignocellulosic biomass: a review
Yan, J., Oyedeji, O., Leal, J. H., Donohoe, B. S., Semelsberger, T. A., Li, C., Hoover, A. N., Webb, E., Bose, E. A., Zeng, Y., et al. (2020) · ACS Sustainable Chemistry & Engineering · doi:10.1021/acssuschemeng.9b06263 · Cited by 134 · see citing works
Novak, J. M., Cantrell, K. B., & Watts, D. W. (2013) · BioEnergy Research · doi:10.1007/s12155-012-9228-9 · Cited by 98 · see citing works
Qualitative and kinetic analysis of torrefaction of lignocellulosic biomass using DSC-TGA-FTIR
Acharya, B., School of Engineering, U. O. G., R. Pradhan, R., & Dutta, A. (2015) · AIMS energy · doi:10.3934/energy.2015.4.760 · Cited by 19 · see citing works
- Authors
- Repellin, V., Govin, A., Rolland, M., & Guyonnet, R.
- Affiliations
- Mines Saint-Étienne (FR)
- IFP Énergies nouvelles (FR)
- Corresponding author
- Govin, Alexandre
- Venue
- Biomass and Bioenergy
- Publisher
- Elsevier BV
- Published
- 2010-07
- Volume
- 34
- Issue
- 7
- Pages
- 923-930
- ISSN
- 0961-9534 (ISSN-L)
- OpenAlex
- W1999902107
- Cited by
- 274
- References
- 2
- Citations by year
- 2026: 5 · 2025: 2 · 2024: 9 · 2023: 5 · 2022: 12 · 2021: 14 · 2020: 30 · 2019: 21 · 2018: 21 · 2017: 23 · 2016: 25 · 2015: 26 · 2014: 20 · 2013: 23 · 2012: 26
- FWCI
- 11.52
- Type
- journal article
- Language
- en
- Open access
- green
- hal.science
- Licence
- Locations
- Biomass and Bioenergy (publishedVersion)
- HAL (submittedVersion, other-oa)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
- Physical Sciences › Engineering › Mechanics of Materials › Forest Biomass Utilization and Management
- Life Sciences › Agricultural and Biological Sciences › Forestry › Agricultural and Food Sciences
- Keywords
- torrefaction, fine grinding, particle size distribution, torrefied wood, wood chips, spruce, beech
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