用纳滤膜从硝酸盐溶液中分离富集铀试验研究

XU Guolong,WEN Zhenqian,ZHOU Yue,YAO Yixuan,GAO Shang, LI Hongxing,FANG Wenliang

Hydrometallurgy of China（2022）

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Abstract

研究了用纳滤膜从硝酸盐溶液中分离富集铀,考察了硝酸盐质量浓度和操作压力对分离效果的影响.结果表明:在温度25℃、操作压力2.0 MPa、NO-3质量浓度52.30 g/L、铀质量浓度2.33 g/L条件下,用纳滤膜N1分离铀效果较好,SO2-4透过率15.99％,NO-3透过率97.51％,铀质量浓度富集至18.01 g/L,铀回收率达96.62％.

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