D_2EHPA在硫酸体系中萃取分离非稀土杂质的研究  

Study of D_2EHPA in Vitriol Medium of Separating Non-RE Impurities from RE-chloride by Extraction

作　　者：王军[1] 武国琴[2] 刘铃声[2] 刘菁[3] 陈建利[4] 

机构地区：[1]包头钢铁学院,内蒙古包头014010 [2]包头稀土研究院,内蒙古包头014010 [3]包钢技术中心,内蒙古包头014010 [4]包钢稀土高科技股份有限公司,内蒙古包头014010

出　　处：《稀土》2002年第6期69-70,共2页Chinese Rare Earths

摘　　要：以现行酸法工艺为基础,考察了相比、洗液酸度等主要因素对D2EHPA萃取分离非稀土杂质的影响。确立了6级逆流洗涤非稀土杂质的实验方案,并获得了预期的效果。Based on the technological process in effect, we studied the influences of the mixture ratio of D2EHPA to RE-chloride solution and acidity of washing liquid on D2EHPA separating non-RE impurities from RE-chloride liquid by extraction Decided on the experimental plan of six-stage counter current washing D2EHPA and obtained satisfied results

关 键 词：硫酸体系 分离 非稀土杂质 稀土 萃取 D2EHPA(P204) 二-2-乙基E基磷酸 

分 类 号：TF845[冶金工程—有色金属冶金] TF804.