摘要
就酸度曲线、吸附速度、吸附能力和吸附反应的活化能等几个方面分别对采用SMF - 45 3树脂吸附金银的机理进行了论述。结果表明 :SMF - 45 3树脂可以很强地吸附氰化物介质中的Au (CN) 2 -andAg (CN) 2 -络合离子。吸附在树脂上的金和银均易被 0 1mol/L的HCl和 3% (M/V)的硫脲溶液洗脱 ,回收率为 99%。
The mechanism of gold adsorption onto SMF-453 anion exchange resin regarding the acidity curve,the adsorption velocity,the adsorption capacity and the activated energy of adsorption reaction was reported.Results indicated that Au(CN) 2 - and Ag(CN) 2 - complex anion could be strongly adsorbed onto the SMF-453 resin in cyanide medium.The gold silver loaded on the resin could be easily eluted by the solution containing 0 1mol/L HCl and 3%(w/v)thiourea solution and the 99% recovery was achieved.
出处
《云南冶金》
2001年第1期47-51,55,共6页
Yunnan Metallurgy
