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Membrane separation in the calculation and application mobility

Group mobility of rare earth elements in a geometric mean of c1) = Σqn iv = Σ (13) Σ 【'a ΣqlSΣ eggs. = And a (14) ΣqI-5 Similarly,[link widoczny dla zalogowanych], other groups can be calculated. Migration of only top components (such as Sm ~ Y) were calculated with points to get the product partition migration. The purity of fraction stays (such as the external water phase of heavy rare-earth after the migration to the inner water phase, the external phase purity of light rare earth) is calculated,[link widoczny dla zalogowanych], simply move the formula to calculate the rate of exchange rate can remain where : stay Rate roar. A 100% of a cI] \. The known product purity requirements, according to the original partition, and a rare earth migration rate and migration rate of data generation stays formula to calculate the first,[link widoczny dla zalogowanych], second, third, and all other products for distribution after the migration (purity), choose to to achieve product purity (> 95) requires the series \(12) (14) Calculate the known (see Table 2), light rare earth by the three migration, secondary migration by heavy rare earth, and their purity were 97.O and 95.3} 98.1 experimental results are followed and 98.3, consistent with the results. to determine the migration of light rare earth series should be three, the migration of heavy rare earth series should be = level. Table 2Nd-Sm drum groups and more migrated through the formula above derivation and experimental verification , the initial description of \Acknowledgements: This research was supported by the Guangzhou excellent ball Jiang Li Chen smelter, Gao Wei deep, Chen Wangqin three towering Xu engineers and learn in Rare Earth Research Institute, Guangdong, deputy director of guidance and support passion, in this, especially to express my sincere thanks! Reference N . N. Li. USPatent. 3410794 (1968) Zhang Xiujuan and so on. Environmental Engineering, l981, 4 ~ 5:45 HoW. . ICOM90, 1990. Vo1. f: 692 ~ 694 Xu Guangxian, Yuan Cheng industries. Rare earth solvent extraction,[link widoczny dla zalogowanych], Science Press, 1987 Xiu-Juan Zhang and so on. Fine Chemicals, 1987,4 ~ 5; WaterTreatment, 1988,3 (4): 233ZhaolinFengeta1. . IstInt. Conf. onElectrostaticTech. , Beijing (1988) CalculationandApplicationofPermeationRateinLiquidMembraneSeparationLuoJianzhong, ZhangXiujuan (InstituteofEnviromentaIScience, SouthChinaUniversityofTechnology, Guangzhou, Box510641) AbstractThecalculatingformulaofpermeationrateofliquidmembraneseparationinvariousCOIl-dhionswerefirstlydeduced. Thenthedataofpermeationrateofrareearthstransferredinoncstsgeinacertainconditionwereappliedtodeveloptwonewmethods, named \Theexperimentresultscoincidewiththepreditermination.

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