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Bio fuel ash in a road construction: Impact on soil solution chemistry
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
Örebro University, Örebro.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.ORCID iD: 0000-0002-3646-294X
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
Responsible organisation
2006 (English)In: Waste Management, ISSN 0956-053X, E-ISSN 1879-2456, Vol. 26, no 6, 599-613 p.Article in journal (Refereed) Published
Abstract [en]

Limited natural resources and landfill space and increasing amounts of ash produced from incineration of bio fuel and solid wastes have created a demand for useful applications of ash of which road construction is one. Here the environmental impact of a fly ash layer in a reconstructed road was evaluated by studying the soil solution chemistry in the ash layer, at two depths in the soil below and at two depths in the ditch using a centrifugation drainage technique. The road was situated about 20 km west of Sollefteå, (63˚ 16� 33�N, 17˚12�52�E) in the middle of Sweden. Two years after the application of the ash the concentrations of zinc were increasing in the ash layer solutions while concentrations of cadmium were stabilising. Below the ash layer in the road an initial increase of the pH was observed and the concentrations of potassium, sulphate and cadmium showed an increase while copper and mercury showed decreasing concentrations in the road and the ditch soil solutions. The concentrations in the ditch soil solutions were generally much lower compared to the road. Concentrations of calcium in the ash layer solutions indicated that hardening had taken place.

Place, publisher, year, edition, pages
2006. Vol. 26, no 6, 599-613 p.
Keyword [en]
ash, road construction, soil water, sampling, heavy metals, centrifugation
National Category
Chemical Sciences Other Environmental Engineering
Identifiers
URN: urn:nbn:se:miun:diva-5151DOI: 10.1016/j.wasman.2005.06.018ISI: 000237669500007PubMedID: 16213132Scopus ID: 2-s2.0-33646083930Local ID: 1929OAI: oai:DiVA.org:miun-5151DiVA: diva2:30183
Available from: 2008-12-02 Created: 2008-12-02 Last updated: 2016-09-28Bibliographically approved
In thesis
1. Environmental impact of bio fuel ash in a road constuction
Open this publication in new window or tab >>Environmental impact of bio fuel ash in a road constuction
2004 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Sundsvall: Mittuniversitetet, 2004. 35 p.
Series
Mid Sweden University licentiate thesis, ISSN 1652-8948 ; 9
Keyword
ash, centrifugation, DOC, heavy metals, ICP-MS, ion chromotography, leaching, lysimeter, recycling, road construction, soil solution, soil water
National Category
Chemical Sciences
Identifiers
urn:nbn:se:miun:diva-9344 (URN)91-87908-90-5 (ISBN)
Presentation
(English)
Available from: 2009-07-10 Created: 2009-07-10 Last updated: 2011-05-29Bibliographically approved

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Thurdin, Rickard T.Bylund, DanLundström, Ulla
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