Critical review of acid in situ leach uranium mining: 1. USA and Australia

Mudd, GM (2001) Critical review of acid in situ leach uranium mining: 1. USA and Australia. Environmental Geology, 41 3-4: 390-403. doi:10.1007/s02540100406


Author Mudd, GM
Title Critical review of acid in situ leach uranium mining: 1. USA and Australia
Journal name Environmental Geology   Check publisher's open access policy
ISSN 0943-0105
Publication date 2001
Sub-type Article (original research)
DOI 10.1007/s02540100406
Volume 41
Issue 3-4
Start page 390
End page 403
Total pages 14
Editor Philip E Lamoreaux
Place of publication New York
Publisher Springer
Collection year 2001
Language eng
Subject C1
290805 Geotechnical Engineering
650200 Mining and Extraction
Abstract The technique of in situ leach (ISL) uranium mining is well established in the USA, as well as being used extensively in Eastern Europe and the former Soviet Union. The method is being proposed and tested on uranium deposits in Australia, with sulfuric acid chemistry and no restoration of groundwater following mining. Test sites in the USA were required to restore groundwater to ascertain the extent of impacts and compare costs to alkaline ISL mines. The problems encountered include expensive and difficult restoration, gypsum precipitation, higher salinity and some heavy metals and radionuclides after restoration. One of the most critical issues is whether natural attenuation is capable of restoring groundwater quality and geochemical conditions in an acid leached aquifer zone. The history of acid ISL sites in the USA and Australia are presented in this study, with a particular focus on the demonstration of restoration of groundwater impacts.
Keyword Environmental Sciences
Geosciences, Multidisciplinary
Water Resources
Acid
In Situ Leach
Solution Mining
Uranium Plumes
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Civil Engineering Publications
 
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Created: Tue, 14 Aug 2007, 15:20:43 EST