Protection of groundwater against pollution by uranium compounds using permeable reactive barriers

1Kornilovych, BYu., 2Koshyk, YI, 3Kovalchuk, IA, 3Khlopas, OO, 3Bashchak, OE
1NTU of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute"
2UkrR&D Institute for Industrial Technology, Zhovti Vody
3Institute for Sorption and Problems of Endoecology of the NAS of Ukraine, Kyiv
Dopov. Nac. akad. nauk Ukr. 2016, 3:113-120
Section: Ecology
Language: Ukrainian

Hydrogeologic and geochemical conditions in a vicinity of the large uranium mine tailings storage facility (TSF) in the Zhovti Vody town are characterized to provide the data to locate, design, and install a permeable reactive barrier to treat groundwater contaminated by leachate infiltrating from the TSF. The effectiveness of three different permeable reactive materials are investigated: zero-valent iron, phosphate material, and sulphate-reducing bacteria. In the pilot permeable reactive barrier (PRB) installation, separate rows of cylinders were filled with each of the three permeable reactive materials, and the sampling was conducted within and around the rows of reactive cylinders. The PRB was installed in October–November 2011. Key sampling parameters included field parameters, inorganic analytes, and contaminants of concern (radionuclides and heavy metals). Groundwater levels were measured throughout the study. The results of studies demonstrate the effectiveness of zero-valent iron for remediating uranium-contaminated groundwater, when utilized in a PRB.

Keywords: groundwater, microbiological reduction, permeable reactive barrier, uranium, zero valent iron
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