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本文报道了在连续逆流离子交换设备中,用有机萃取剂从离子交换树脂上解吸稀土的小型试验和扩大试验。采用这项技术,可以从稀土矿石浸出液制备4组稀土富集物。
In this paper, we report the small-scale experiments and extended experiments of desorption of rare earths from ion-exchange resins with organic extractants in a continuous countercurrent ion exchange equipment. Using this technology, four rare earth enrichments can be prepared from rare earth ore leachate.