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AssigneeBattelle Energy Alliance, LLC
InventorsDean R. Peterman, John R. Klaehn, Mason K. Harrup, Richard D. Tillotson, Jack D. Law
Estimating the term…
Methods of separating actinides from lanthanides are disclosed. A regio-specific/stereo-specific dithiophosphinic acid having organic moieties is provided in an organic solvent that is then contacted with an acidic medium containing an actinide and a lanthanide. The method can extend to separating actinides from one another. Actinides are extracted as a complex with the dithiophosphinic acid. Separation compositions include an aqueous phase, an organic phase, dithiophosphinic acid, and at least one actinide. The compositions may include additional actinides and/or lanthanides. A method of producing a dithiophosphinic acid comprising at least two organic moieties selected from aromatics and alkyls, each moiety having at least one functional group is also disclosed. A source of sulfur is reacted with a halophosphine. An ammonium salt of the dithiophosphinic acid product is precipitated out of the reaction mixture. The precipitated salt is dissolved in ether. The ether is removed to yield the dithiophosphinic acid.
A method of separating at least one actinide from at least one lanthanide, the method consisting of:
A separation method comprising:
A method of separating at least one actinide from at least one lanthanide, the method comprising:
A method of separating at least one actinide from at least one lanthanide, the method comprising:
Dependencies are inferred from the claim text.