研究了一种从负载低浓度铷的t-BAMBP有机相中反萃取分离K+, Rb+的方法. 对反萃之前的洗涤相比、反萃剂种类、反萃剂浓度、反萃相比以及反萃时间等影响因素进行研究, 考察萃取剂的再利用, 确定了实验范围最适宜的反萃取工艺条件. 铷的反萃率达到95.48%, 回收再利用的萃取剂与新鲜萃取剂在对铷、钾的萃取性能上差异不大.
参考文献
[1] | 杨志红,杨磊,丁有钱,张生栋,崔安智,郭景儒.沉淀法分离Cs和Rb的研究[J].核化学与放射化学,2004(02):95-98,113. |
[2] | 阎树旺,唐明林.卤水中铷铯的分离与提取[J].矿物岩石,1993(02):113-119. |
[3] | Tanihara K .A new process using a redox type of ion exchanger for cesium separation Ⅰ.A sorption-desorption-regeneration cycle with insoluble hexacyanoferrates of copper[J].Journal of Radioanalytical and Nuclear Chemistry,1994,185(01):57. |
[4] | Tanihara K .Composite ion exchangers of redox type for cesium separation Sorption-desorption-regeneration cycle with cupric ferrocyanide impregnated macroporous anion-exchange resins of strongly basic type[J].Journal of Radioanalytical and Nuclear Chemistry,1995,201(06):509. |
[5] | 王武尚,侯瑞琴,陈莉云.t-BAMP萃取色谱法分离铷、铯的研究[J].核化学与放射化学,1999(02):110. |
[6] | Kumar A;Mohapatra P K;Manchanda V K .Extraction of cesium-137 from nitric acid medium in the presence of macrocyclic polyethers[J].Journal of Radioanalytical and Nuclear Chemistry,1998,229(01):169. |
[7] | Fujii T;Nishizawa K .Isotope separations of potassium and rubidium in chemical exchange system with dicyclohexano-18-crown-6[J].Journal of Radioanalytical and Nuclear Chemistry,2001,249(03):569. |
[8] | Banerjee S;Mukhopadhyay K;Mukhopadhyay B;Lahiri S .Extraction separation of 86Rb from 85Sr in trace level with 18-crown-6 in nitrobenzene[J].Journal of Radioanalytical and Nuclear Chemistry,2002,252(01):157. |
[9] | Egan B Z;Zingaro R A;Benjamin B M .Extraction of alkali metals by 4-sec-butyl-2-(α-methylbenzyl) phenol (BAMBP)[J].Inorganic Chemistry,1965,4(07):1055. |
[10] | 陈正炎;陈富珍 .t-BAMBP萃取铷、铯的相关因素研究[J].稀有金属,1995,19(04):245. |
[11] | 杜燕萍,胡满成,李淑妮,耿春宇,翟全国.化合物Rb[(H2Ssal)(H2O)]的合成与表征[J].稀有金属,2004(05):900-902. |
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