用D301树脂从含钒萃余液中回收钒的试验研究  

Research on Recovery of Vanadium From Vanadium Raffinate Using D301 Ion-exchange Resin

作　　者：刘彦华[1,2] 杨超[1] 

机构地区：[1]北京科技大学冶金与生态工程学院,北京100083 [2]北京能泰环保产业集团,北京100022

出　　处：《湿法冶金》2010年第2期96-98,共3页Hydrometallurgy of China

摘　　要：含钒溶液经溶剂萃取提取钒后,萃余液中仍含有少量钒。研究了用D301大孔阴离子交换树脂从含钒萃余液中回收钒。考察了D301树脂对钒的最佳吸附时间、穿透体积及解吸效果。试验结果表明:D301树脂对萃余液中的钒有很好的吸附作用,吸附率在98%以上,饱和吸附容量为112.4 mg/mL湿树脂;含钒萃余液体积在48倍床体积时,吸附尾液中钒质量浓度不超过5 mg/L,处理后可排放;用1 mol/L的NaOH溶液可将钒从树脂上有效地解吸下来,解吸液钒浓度高,可返回萃取钒。There is a small quantity of remanent vanadium in extraction raffinate after solvent extraction. Recovery of vanadium by ion exchange using D301 macroporous anion resin from the raffinate has been researched. Optimum absorption time, breakthrough volume and desorption were researched. The results show that D301 resin can adsorb vanadium from the raffinate. Adsorption rate can reach to 98%,saturated adsorption capacity is of 112.4 mg/mL wet resin. When volume of raffinate is below 48 BV,vanadium mass concentration in adsorption tail liquid is lower than 5 mg/L whichs can be discharged after appropriately processed. Vanadium on resin can been easily desorbed. The desorbed solution has a high vanadium concentration that can be reused as extractive stock solution.

关 键 词：大孔阴离子交换树脂 离子交换 萃余液 钒 回收 

分 类 号：TF841.3[冶金工程—有色金属冶金]