发明授权
US5264159A Process for treating salt waste generated in dry reprocessing of spent
metallic nuclear fuel
失效
用于处理废金属核燃料的干后处理中产生的盐废物的方法
- 专利标题： Process for treating salt waste generated in dry reprocessing of spent metallic nuclear fuel
- 专利标题（中）： 用于处理废金属核燃料的干后处理中产生的盐废物的方法
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申请号： US945397申请日： 1992-09-16
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公开(公告)号： US5264159A公开(公告)日： 1993-11-23
- 发明人: Yasuhisa Ikeda , Yoshiyuki Yasuike , Makoto Yamaguchi , Hiroaki Kobayashi , Hiroshi Igarashi
- 申请人： Yasuhisa Ikeda , Yoshiyuki Yasuike , Makoto Yamaguchi , Hiroaki Kobayashi , Hiroshi Igarashi
- 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： JPX3-277076 19910927
- 主分类号： G21C19/44
- IPC分类号： G21C19/44 ; G21F9/30 ; G21F9/04
摘要：
A salt waste composed mainly of chlorides, which is generated from the step of a molten salt electrolytic purification in dry reprocessing of a spent metallic nuclear fuel, is reacted with boric acid at high temperature to convert the chlorides in the salt waste into oxides. The resulting oxides of the salt waste are easily vitrifiable, and a vitrification product is obtained by adding a vitrifying additive to the oxides, heat-melting the mixture to form a molten mixture and cooling the molten mixture.
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