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CHEMISTRY AND ENGINEERING ASPECTS OF THE APPLICATION OF SOLUBLE PHOSPHATES FOR URANIUM TREATMENT IN GROUNDWATER
Gillow, J., R. Murphy, P. Moran, S. Ulrich, L. Weidemann, M. Hay, and M. Gentile.
WM2017: Waste Management Conference, March 5-9, 2017, Phoenix, Arizona. Paper 17255, 2017

Within the last 10 years, the application of soluble phosphates has been identified as a viable means of treating soluble uranium, while at the same time changing the balance in terms of the availability of sorbed/immobile uranium to remobilize. While uranium reacts with soluble phosphate to form a range of low-solubility uranium minerals, surface passivation can also result, which limits the availability of uranium for dissolution. This paper discusses the application of dissolved phosphate in a pilot test in a tailings impoundment. http://www.wmsym.org/archives/2017/pdfs/FinalPaper_17255_0505042056.pdf



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