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pH-dependent reactive transport of uranium(VI) in unsaturated sand

2015    Uyusur, Burcu; Li, Chunyan; Baveye, Philippe C.; Darnault, Christophe J. G.

Uranium contamination of subsurface environments was once thought to be an isolated occurrence, mostly at production sites. But recent evidence has shown that the presence of uranium in phosphate fertilizers has caused massive amounts of this element to be released worldwide. Concerns are related to uranium movement to groundwater supplies and its significant toxicological risks to human populations. Information is direly needed on how geochemical processes control uranium transport in the vadose zone.