| 简介 |
PROBLEM TO BE SOLVED : To provide a method for efficiently and economically separating heavy rare earth elements contained in solution including Am and Cm recovered from high level radioactive waste liquid with a known process. SOLUTION : Radioactive waste liquid containing separation object elements such as Am, Cm and heavy rare earth elements is contacted to solid adsorbent containing D2EHPA, part of or whole separation object element in radioactive waste liquid is adsorbed in solid adsorbent, the solid adsorbent is contacted to acid solution and Am, Cm and heavy rare earth elements are eluded in turn out of the solid adsorbent. COPYRIGHT : (C)2004, JPO |
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