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利用冠醚卤化铀酰络合物可从浸出液中回收铀。已分别申请了从含镍卤化物溶液中分离铀的卤化物方法及从卤化铀酰水溶液中制备铀氧化物方法的专利。后一种方法是用一种有机溶剂提取卤化物。用冠醚混合这种有机溶液生成冠醚卤化铀酰络
Uranium can be recovered from the leachate using crown ether halogenated uranyl complexes. Patents have been applied for a method of separating uranium from a nickel-containing halide solution and a method of preparing uranium oxide from an aqueous uranyl halide solution. The latter method uses an organic solvent to extract the halide. Crown ethers were mixed with this organic solution to form crown ether uranyl halide