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本文用磷酸三丁酯（ＴＢＰ）－ＬＭＳ－２－磺化煤油乳状液膜体系研究了Ｙ（Ⅲ）的迁移行为。当膜相组成为５．０％ＴＢＰ和２．０％ＬＭＳ－２，内相为０．１０ｍｏｌ／ｄｍ３ＮａＨＣＯ３，外相含６ｍｏｌ／ｄｍ３ＮＨ４ＮＯ３，酸度为ｐＨ＝３时，Ｙ（Ⅲ）能快速并完全迁移。常见过渡元素离子如Ｆｅ２＋，Ｃｏ２＋，Ｎｉ２＋，Ｍｎ２＋，Ｚｎ２＋等均不迁移，故可以从这些离子的混合液中分离Ｙ（Ⅲ），回收率可达９８％以上。
In this paper, the migration behavior of Y (Ⅲ) was studied by using TBP-LMS-2-sulfonated kerosene emulsion liquid membrane system. When the phase composition is 5.0% TBP and 2.0% LMS-2, the internal phase is 0.10mol / dm3NaHCO3, the external phase contains 6mol / dm3NH4NO3 and the acidity is pH = 3, Y (Ⅲ) can migrate rapidly and completely . Common transition elements such as Fe2 +, Co2 +, Ni2 +, Mn2 +, Zn2 + and so on do not migrate, so Y (Ⅲ) can be separated from the mixture of these ions, and the recovery rate can reach over 98%.