弱碱性阴离子交换树脂在钨钼分离中的应用

来源期刊：中南大学学报(自然科学版)2000年第1期

论文作者：霍广生 李洪桂 孙培梅 李运姣 苏鹏抟

文章页码：30 - 33

关键词：钨;钼;硫代钼酸根;离子交换树脂;分离

Key words：tungsten; molybdenum; MoS₄^2-; ion exchange resin; separation

摘    要：研究了D301(叔胺)和D312(伯胺)2种弱碱性阴离子交换树脂对MoS^2-₄的吸附和解吸行为.结果表明,D301树脂对MoS^2-₄有较好的吸附效果,但用0.5 mol·L^-1的NaOH溶液解吸时解吸率仅为29.6%;D312树脂对MoS2-4的吸附效果较差,但用0.5 mol·L^-1的NaOH溶液解吸时解吸率可达90%以上;此外,将二者应用于基于MoS^2-₄同WO^2-₄性质差异的离子交换除钼工艺尚存在一定的问题.

Abstract: Two kinds of alkalescent ion exchange resin behaviours of absorbing and desorbing MoS^2-₄ have been studied. The result shows that the D301 resin′s effect of absorbing MoS^2-₄ is better,but the effect of desorbing MoS^2-₄ with NaOH solution (0.5 mol·L^-1) is not satisfying.On the contrary,althougth the D312 resin′s effect of absorbing MoS^2-₄is not good, the effect of desorbing MoS^2-₄ with NaOH solution (0.5 mol·L^-1) is better, and the desorption rate can be 88% or more. So it shows that D301 and D312 resin can not be used in the ion exchange process for separating tungsten and molybdenum.