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    • 4. 发明授权
    • PURIFICATION APPARATUS FOR MO-99
    • REINIGUNGSVORRICHTUNGFÜRMO-99
    • EP2993669B1
    • 2017-02-01
    • EP15185983.2
    • 2011-08-02
    • Mallinckrodt Nuclear Medicine LLC
    • BARBOSA, Luis A.M.M.
    • G21G1/00
    • C22B34/34G21G1/001G21G2001/0036
    • A process for purifying Mo-99 from an acidic solution obtained by dissolving an irradiated solid target comprising uranium in an acidic medium, or from an acidic solution comprising uranium and which has previously been irradiated in a nuclear reactor, or from an acidic solution comprising uranium and which has been used as reactor fuel in a homogeneous reactor, the process comprising contacting the acidic solution with an adsorbent comprising a zirconium oxide, zirconium hydroxide, zirconium alkoxide, zirconium halide and/or zirconium oxide halide, and eluting the Mo-99 from the adsorbent using a solution of a strong base, the eluate then being subjected to a subsequent purification process involving an alkaline-based Mo-99 chromatographic recovery step on an anion exchange material. Also provided is apparatus for carrying out the process.
    • 从酸性溶液中提取Mo-99的方法,该酸性溶液通过将包含铀的照射固体靶在酸性介质中或从包含铀的酸性溶液中溶解并预先在核反应器中照射的酸性溶液或由包含铀的酸性溶液 并且其已经在均相反应器中用作反应堆燃料,该方法包括使酸性溶液与包含氧化锆,氢氧化锆,烷氧基锆,卤化锆和/或氧化锆卤化物的吸附剂接触,并将Mo-99从 吸附剂使用强碱溶液,然后将洗脱液进行在阴离子交换材料上进行碱性Mo-99色谱回收步骤的随后纯化过程。 还提供了用于执行该过程的装置。