发明授权
- 专利标题： Spent fuel treatment method
- 专利标题（中）： 乏燃料处理方法
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申请号： US400220申请日： 1989-08-29
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公开(公告)号： US4981616A公开(公告)日： 1991-01-01
- 发明人: Katsuyuki Ohtsuka , Isao Kondoh , Toru Suzuki
- 申请人： Katsuyuki Ohtsuka , Isao Kondoh , Toru Suzuki
- 申请人地址： JPX Tokyo
- 专利权人： Doryokuro Kakunenryo Kaihatsu Jigyodan
- 当前专利权人： Doryokuro Kakunenryo Kaihatsu Jigyodan
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX63-222100 19880905
- 主分类号： G21C19/46
- IPC分类号： G21C19/46 ; G21F9/00 ; G21F9/06 ; G21F9/08
摘要：
In a method for recovering plutonium and uranium from spent nuclear fuel by solvent extraction having solvent consisting of tri-n-butyl phosphate, dibutyl phosphate and n-dodecane, the improvement comprises separating the n-dodecane from the phosphate by freeze-drying and separating the phosphate from each other and residual impurities by fractional distillation.
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