摘要
对开发利用大孔离子交换树脂深度净化铀矿山及其水冶厂工艺废水技术进行了研究。用硫酸和硫酸盐从低负载铀树脂中淋洗铀时 ,采用多分部淋洗技术 ,可大大提高合格液中铀质量浓度 ,合格液体积为 1个淋洗床体积 ,合格液铀质量浓度提高 2倍多 ,可达 10 .1g/L。与常规淋洗方法相比较 ,可节约淋洗剂约 5 0 %。而且 ,合格液酸度低 ,有益于后续的沉淀过程中回收铀。
Developing macroporous resin for purifying uranium effluent from uranium mining and me tallurgy is presented in this paper.The Intense Fractionation Process is employed to elute uranium from lower loaded uranium resin by the eluent of sulfuric acid and ammonium sulfate.The result is indicated that the uranium concentration in the rich elutriant is greatly increased,and the rich liquor is only one bed column volume,uranium concentration in the elutriant is increased two times which concentration is 10.1 g/L. The eluent is saved about 50% compared with the conventional fixed bed elution operation.And also the acidity in the rich elutriant is of benefit to the later precipitation process in uranium recovery.
出处
《铀矿冶》
CAS
2002年第4期191-194,共4页
Uranium Mining and Metallurgy
基金
由IAEA提供赞助 .
