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２－乙基己基膦酸单２－乙基己基酯（ＨＥＨ／ＥＨＰ，ＨＬ）是广泛用于稀土分离湿法冶金的有效萃取剂［１～３］．未氨化的ＨＥＨ／ＥＨＰ在中空纤维膜（ＨＦＭ）中萃取稀土元素的机理和控制模式已有报道［４，５］，但未氨化的ＨＥＨ／ＥＨＰ对轻、中稀土的萃取能力较弱...
2-Ethylhexylphosphonic acid mono-2-ethylhexyl ester (HEH / EHP, HL) is an effective extractant widely used in rare earth separation hydrometallurgy [1-3]. The mechanism and control mode of extracting rare earth elements from un-aminated HEH / EHP in hollow fiber membrane (HFM) has been reported [4,5]. However, the non-ammoniated HEH / EHP has a weak ability to extract light and medium rare earth ...