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Published in:
2006 | OriginalPaper | Chapter
The use of BaSO4 supersaturated solutions for in-situ immobilization of heavy metals in the abandoned Wismut GmbH uranium mine at Königstein
Authors : Ulf Jenk, Udo Zimmermann, Gerald Ziegenbalg
Published in: Uranium in the Environment
Publisher: Springer Berlin Heidelberg
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The former uranium ISL-mine at Königstein (Germany) is presently being flooded. To support the flooding process, a new technology to reduce contaminant potential in the source was developed and applied. The application based on the injection of supersaturated BaSO4-solutions to precipitate solved contaminants and to cover reactive mineral surfaces. Since 2002 the technology is applied in the southern part of the mine in order to immobilize contaminants in highly polluted areas before flooding. The article describes the fundamentals of the technology and the full-scale application.