离子交换法制备高纯铼酸铵试验研究  

Study on Preparation of High Purity Ammonium Rhenate by Ion Exchange Method

作　　者：王宏伟 何乃勇 李银丽 李守荣[1] 李彦龙[1] 鲁兴武[1] WANG Hong-wei;HE Nai-yong;LI Yin-li;Li Shou-rong;LI Yan-long;LU Xing-wu(Northwest Research Institute of Mining and Metallurgy,Baiyin 730900,China)

机构地区：[1]西北矿冶研究院,甘肃白银730900

出　　处：《甘肃冶金》2023年第3期106-109,共4页Gansu Metallurgy

基　　金：白银市科技计划项目(项目编号:2020-1-2G)。

摘　　要：本次试验研究以富铼渣浸出液为原料,采用离子交换法制备高纯铼酸铵。确定最优试验条件为:富铼渣浸出液pH值为1,溶液温度20℃,离子交换泵流速为5 BV/h,洗涤纯水用量为3倍交换液体积量,氨水使用浓度为10%,对洗脱液进行结晶制得纯度95%铼酸铵,将95%铼酸铵经重结晶得到4N级高纯铼酸铵。In this study,high purity ammonium rhenate was prepared by ion exchange method with rhenium-rich slag leaching solution as raw material.Determine the optimal test conditions:rich rhenium slag leaching solution pH value is 1,solution temperature 20℃,the flow rate of ion exchange pump is 5 BV/h,the amount of pure washing water is 3 times the volume of exchange liquid,ammonia use concentration of 10%,the eluent crystallization to obtain 95%purity ammonium rhenate,95%ammonium rhenate recrystallization to 4N grade high pure ammonium rhenate.

关 键 词：RE 铼酸铵 离子交换 高纯 富铼渣 

分 类 号：TQ137.14[化学工程—无机化工]