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The effectiveness of using sewage sludge as a sealing layer on sulphide-rich mine tailings: a pilot-scale experiment, northern Sweden
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.ORCID iD: 0000-0001-7291-8585
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.
2010 (English)In: Mine Water in Innovative Thinking: proceedings of the International Mine Water Association symposium 2010 ; September 5 - 9, Sydney, Nova Scotia, Canada / [ed] Christian Wolkersdorfer, Sydney, Nova Scotia: Cape Breton Univ. Press, , 2010, 155-158 p.Conference paper, Published paper (Refereed)
Abstract [sv]

En utvärdering av effektiviteten av att använda avloppsslam som tätskikt för att hindra syre spridning till underliggande avfall genomfördes under perioden 2001-2009 med pilotskala celler i norra Sverige. Lakvattnet dränering av ett oskyddat bearbetningsavfall kontroll cell och en cell med en 0.25m tätskikt av avloppsslam analyserades utifrån 2003-2009. En första hög koncentration spola av lösta element förekom i båda cellerna. Svavel och kraftiga koncentrationer metal gradvis minskat i både celler men skillnaderna i halter var flera storleksordningar lägre för slammet saneras cellen. Cd-Fe-Zn koncentrationer i kontrollen ökat över tid på grund av svaveloxidering. Konsumtionen av syre i avloppsslam som skapats minskas förhållanden på de underliggande bearbetningsavfall. Förhöjda metallhalter lakas ur slammet i bearbetningsavfall därefter kvar i den anrikningssand och var inte förhöjda i utflödet lakvattnet lösningen.

Place, publisher, year, edition, pages
Sydney, Nova Scotia: Cape Breton Univ. Press, , 2010. 155-158 p.
National Category
Geochemistry
Research subject
Applied Geology
Identifiers
URN: urn:nbn:se:ltu:diva-37058Local ID: aef62f30-092e-11e0-b767-000ea68e967bISBN: 978-1-89700-947-5 (print)OAI: oai:DiVA.org:ltu-37058DiVA: diva2:1010556
Conference
International Mine Water Association Symposium : Mine Water and Innovative Thinking 05/09/2010 - 09/09/2010
Note
Godkänd; 2010; 20110225 (andbra)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-25Bibliographically approved

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