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Barrier system for treatment of heavy metal drainage at Ranstad, Sweden
Örebro University, School of Science and Technology. (Forskningscentrum Människa-Teknik-Miljö)ORCID iD: 0000-0002-2104-4593
Örebro University, School of Science and Technology. (Forskningscentrum Människa-Teknik-Miljö)ORCID iD: 0000-0002-2674-4994
2010 (English)In: Mine water & innovative thinking: Proceedings of the International Mine Water Association Symposium, 2010, Sydney, Nova Scotia, Canada, CBU Press , 2010, p. 275-278Conference paper, Published paper (Refereed)
Abstract [en]

Alum shale was mined and processed (leaching with sulphuric acid for uranium recovery) atRanstad, Sweden, during 1965—69, and the shale residues were deposited on site. A barrier system fortreatment of leachates from the deposit was constructed in 1999: (1) Sedimentation pond (2) pre-treat-ment filter, and (3) final filter in sequence. Iron, Al and Mn were precipitated in section (2). Retention ofother elements (As, Cr, Co, Ni, Zn and U) is attributed to adsorption by precipitated iron and componentsin section (3). More than 90% of the Fe and As and 50% of the Cr, Cd, Zn and U were removed from theleachates.

Place, publisher, year, edition, pages
CBU Press , 2010. p. 275-278
Keywords [en]
filters, uranium, iron, peat
National Category
Geochemistry
Research subject
Enviromental Science
Identifiers
URN: urn:nbn:se:oru:diva-30868ISBN: 978-1-897009-47-5 (print)OAI: oai:DiVA.org:oru-30868DiVA, id: diva2:649565
Conference
The International Mine Water Association Symposium, 2010, Sydney, Nova Scotia, Canada
Available from: 2013-09-19 Created: 2013-09-19 Last updated: 2018-03-05Bibliographically approved

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Allard, BertBäckström, Mattias

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