发明授权
- 专利标题： Process for separating at least one actinide element from lanthanide elements in an aqueous medium by sequestration and membrane filtration
- 专利标题（中）： 通过封存和膜过滤在水性介质中从镧系元素分离至少一种锕系元素的方法
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申请号： US12162501申请日： 2007-01-30
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公开(公告)号： US08048308B2公开(公告)日： 2011-11-01
- 发明人: Gilles Bernier , Jean-Marc Adnet , Alain Favre-Reguillon , Gérard Le Buzit , Marc Lemaire , Stéphane Pellet-Rostaing , Antoine Sorin , Jacques Foos
- 申请人： Gilles Bernier , Jean-Marc Adnet , Alain Favre-Reguillon , Gérard Le Buzit , Marc Lemaire , Stéphane Pellet-Rostaing , Antoine Sorin , Jacques Foos
- 申请人地址： FR Paris
- 专利权人： Commissariat a l'Energie Atomique
- 当前专利权人： Commissariat a l'Energie Atomique
- 当前专利权人地址： FR Paris
- 代理机构： Brinks Hofer Gilson & Lione
- 优先权： FR0650325 20060130
- 国际申请： PCT/EP2007/050893 WO 20070130
- 国际公布： WO2007/085659 WO 20070802
- 主分类号： B01D15/04
- IPC分类号： B01D15/04 ; B01D15/00 ; C01F13/00 ; C01G56/00 ; C07C229/00 ; G21F9/00
摘要：
The invention relates to a process for separating, in an aqueous medium, at least one actinide element from one or more lanthanide elements by using at least one molecule which sequesters the said actinide element to be separated and membrane filtration, the said process successively comprising: a) a step of bringing at least one molecule which sequesters the said actinide element in contact with the aqueous medium, the said molecule not being retained in the non-complexed state by the said membrane and being capable of forming a complex with the actinide element to be separated, comprising the said element and at least two of the said sequestering molecules, which complex is capable of being retained by the membrane; b) a step of passing the aqueous medium over the membrane in order to form a permeate on one side, comprising an aqueous effluent depleted of the said actinide element, and a retentate comprising the said complex.
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