Fate of metals and emissions of organic pollutants from torrefaction of waste wood, MSW, and RDF
Abstract
Torrefaction of municipal solid waste (MSW), refuse-derived fuel (RDF), and demolition and construction wood (DC) was performed at 220°C and a residence time of 90min in a bench-scale reactor. The levels of toxic polychlorinated dibenzo-p-dioxins (PCDD) and dibenzofurans (PCDF) contained in emission from the torrefaction process were evaluated. In addition, main ash-forming elements and trace metals in the raw feedstock and char were determined. The use of MSW in fuel blends with DC resulted in lower PCDD and PCDF emissions after torrefaction, compared with the RDF blends. The migration of chlorine from the feedstock to the gas phase reduces the chlorine content of the char which may reduce the risk of alkali chloride-corrosion in char combustion. However, trace metals catalytically active in the formation of PCDD and PCDF remain in the char, thereby may promote PCDD and PCDF formation during subsequent char combustion for energy recovery; this formation is less extensive than when the feedstock is used.
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In Canada, about a million tons of wood waste pellets exported to the EU are used as fuel in power plants and hot water generation.
“In Canada, about a million tons of wood waste pellets exported to the EU are used as fuel in power plants and hot water generation [100].”
From Circular Economy of Construction and Demolition Wood Waste—A Theoretical Framework Approach (2022) · cites this paper as [100]
Cites
Van den Berg, M., Birnbaum, L. S., Denison, M., De Vito, M., Farland, W., Feeley, M., Fiedler, H., Hakansson, H., Hanberg, A., Haws, L., et al. (2006) · Toxicological Sciences · doi:10.1093/toxsci/kfl055 · Cited by 3,785 · see citing works
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Thermochemical conversion of municipal solid waste into energy and hydrogen: a review
Nandhini, R., Berslin, D., Sivaprakash, B., Rajamohan, N., & Vo, D.-V. N. (2022) · Environmental Chemistry Letters · doi:10.1007/s10311-022-01410-3 · Cited by 162 · see citing works
Circular Economy of Construction and Demolition Wood Waste—A Theoretical Framework Approach
Jahan, I., Zhang, G., Bhuiyan, M., & Navaratnam, S. (2022) · Sustainability · doi:10.3390/su141710478 · Cited by 93 · see citing works
Rashwan, S. S., Adelusi, O., Boulet, M., & Moreau, S. (2025) · Energy Conversion and Management · doi:10.1016/j.enconman.2025.119516 · Cited by 10 · see citing works
- Authors
- Edo, M., Skoglund, N., Gao, Q., Persson, P.-E., & Jansson, S.
- Affiliations
- Umeå University (SE)
- Luleå University of Technology (SE)
- Corresponding author
- Jansson, Stina
- Venue
- Waste Management
- Publisher
- Elsevier BV
- Published
- 2017-10
- Volume
- 68
- Pages
- 646-652
- ISSN
- 0956-053X (ISSN-L)
- OpenAlex
- W2634065415
- Cited by
- 69
- References
- 1
- Citations by year
- 2026: 2 · 2025: 5 · 2024: 6 · 2023: 8 · 2022: 7 · 2021: 14 · 2020: 9 · 2019: 10 · 2018: 5 · 2017: 3
- FWCI
- 3.33
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Waste Management (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
- Physical Sciences › Environmental Science › Waste Management and Disposal › Municipal Solid Waste Management
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Toxic Organic Pollutants Impact
- Keywords
- torrefaction, municipal solid waste, refuse-derived fuel, polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans, trace metals, char, chlorine migration, char combustion, energy recovery, waste-to-energy
- MeSH terms
- Benzofurans, Chlorine, Metals, Refuse Disposal, Wood, Incineration, Solid Waste
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