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    • 2. 发明授权
    • Actinide extraction methods
    • 锕系提取方法
    • US07799293B2
    • 2010-09-21
    • US11530508
    • 2006-09-11
    • Dean R. PetermanJohn R. KlaehnMason K. HarrupRichard D. TillotsonJack D. Law
    • Dean R. PetermanJohn R. KlaehnMason K. HarrupRichard D. TillotsonJack D. Law
    • B01D11/04C01G56/00C22B60/00
    • C01G56/001C01F17/0006C07F9/304C22B3/007C22B59/00Y02P10/234
    • 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.
    • 公开了从镧系元素分离锕系元素的方法。 在有机溶剂中提供具有有机部分的区域特异性/立体特异性二硫代次膦酸,然后与含有锕系元素和镧系元素的酸性介质接触。 该方法可以延伸到彼此分离锕系元素。 提取锕系元素作为与二硫代次膦酸的络合物。 分离组合物包括水相,有机相,二硫代次膦酸和至少一种锕系元素。 组合物可以包括另外的锕系元素和/或镧系元素。 还公开了包含至少两个选自芳族化合物和烷基的有机部分的二硫代次膦酸的方法,每个部分具有至少一个官能团。 硫源与卤代膦反应。 二硫代次膦酸产物的铵盐从反应混合物中沉淀出来。 将沉淀的盐溶于乙醚中。 除去乙醚,得到二硫代次膦酸。
    • 6. 发明申请
    • ACTINIDE EXTRACTION METHODS AND ACTINIDE SEPARATION COMPOSITIONS
    • ACTINIDE提取方法和ACTINIDE分离组合物
    • US20100150798A1
    • 2010-06-17
    • US11530508
    • 2006-09-11
    • Dean R. PetermanJohn R. KlaehnMason K. HarrupRichard D. TillotsonJack D. Law
    • Dean R. PetermanJohn R. KlaehnMason K. HarrupRichard D. TillotsonJack D. Law
    • C22B60/00
    • C01G56/001C01F17/0006C07F9/304C22B3/007C22B59/00Y02P10/234
    • 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.
    • 公开了从镧系元素分离锕系元素的方法。 在有机溶剂中提供具有有机部分的区域特异性/立体特异性二硫代次膦酸,然后与含有锕系元素和镧系元素的酸性介质接触。 该方法可以延伸到彼此分离锕系元素。 提取锕系元素作为与二硫代次膦酸的络合物。 分离组合物包括水相,有机相,二硫代次膦酸和至少一种锕系元素。 组合物可以包括另外的锕系元素和/或镧系元素。 还公开了包含至少两个选自芳族化合物和烷基的有机部分的二硫代次膦酸的方法,每个部分具有至少一个官能团。 硫源与卤代膦反应。 二硫代次膦酸产物的铵盐从反应混合物中沉淀出来。 将沉淀的盐溶于乙醚中。 除去乙醚,得到二硫代次膦酸。