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Contamination of heavy metals and metalloids in biomass and waste fuels: Comparative characterisation and trend estimation
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Chemical Engineering. Vattenfall AB, Stockholm, SE-169 92, Sweden.
Vattenfall AB, SE-16992 Stockholm, Sweden..
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Chemical Engineering.
Linnaeus Univ, Econ & Stat, SE-35195 Vaxjo, Sweden..
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2020 (English)In: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 700, article id UNSP 134382Article in journal (Refereed) Published
Abstract [en]

The use of contaminated biomass and waste fuels is essential for waste management, waste to energy (WtE) and mitigating carbon emissions. The contamination of heavy metals and metalloids is specially concerned by environmental regulation and waste to energy processes. In this study, comparative characterisation is performed for three typical contaminated biomass and waste fuels. i.e. recycled woods, combustible municipal solid waste, and industrial and commercial wastes. The contamination characteristics are further analysed using statistical methods (e.g. significance, correlation, profile, and principal component analyses) to identify specific contamination features, relations among the contaminants and potential contamination sources. Contamination trend is estimated based on the continuously monitoring fuel qualities, the driving forces for regulating and reduction of the contaminations, and potential changes in major contamination sources. The comparative characterisation combined with statistical analyses provides a better way to understand the contamination mechanisms. The approach can also relate the fuel contamination with the contamination sources and their changes for trend estimation. Generally, the toxic heavy metals and metalloids are expected to be significantly reduced due to stricter regulations, but there is no general trend for the reduction of other metals and metalloids because of the complicated changes in contamination sources and waste recycling streams in the near future.

Place, publisher, year, edition, pages
Elsevier, 2020. Vol. 700, article id UNSP 134382
Keywords [en]
Heavy metals and metalloids, Biomass and waste fuels, Contamination characterisation, Bioenergy conversion, Waste to energy (WtE)
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:kth:diva-265438DOI: 10.1016/j.scitotenv.2019.134382ISI: 000499480800014PubMedID: 31698270Scopus ID: 2-s2.0-85074357614OAI: oai:DiVA.org:kth-265438DiVA, id: diva2:1377659
Note

QC 20191212

Available from: 2019-12-12 Created: 2019-12-12 Last updated: 2019-12-12Bibliographically approved

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Yan, JinyingEdlund, Ulrica

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