Issues in the Scale-up of Aqueous Biphasic Extraction of Uranium from Contaminated Soils

C. J. Mertz,D. J. Chaiko,J. Gartelmann,E. Thuillet,Y. Vojta,Deepak Deepak

doi:10.1007/978-1-4899-1406-4_16

Issues in the Scale-up of Aqueous Biphasic Extraction of Uranium from Contaminated Soils

C. J. Mertz, D. J. Chaiko + Show 4 more

https://doi.org/10.1007/978-1-4899-1406-4_16

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Publication Date: Jan 1, 1995

Citations: 2

Affiliation: Argonne National Laboratory, Institut National des Sciences de l'Univers, Atomic Energy and Alternative Energies Commission, CEA Saclay

#Aqueous Biphasic Extraction #Immiscible Aqueous Phases + Show 8 more

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Abstract

We are evaluating the use of aqueous biphasic extraction (ABE) for solid and liquid waste treatment and the recovery of uranium from contaminated soil.1–5 The extraction process involves the selective partitioning of solutes or fine particulates between two immiscible aqueous phases. The biphasic systems that we have been working with consist of immiscible polyethylene glycol (PEG) and salt solutions. Each phase contains at least 70 to 80 wt.% water. Some inorganic salts that promote biphase formation with PEG solutions include the sodium/potassium salts of sulfate, carbonate, phosphate, and hydroxide.6

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