R-520树脂吸附金的研究

1.东华理工学院应用化学系,344000

2.东华理工学院应用化学系,344000

3.东华理工学院应用化学系,344000

4.东华理工学院应用化学系,344000

基金项目: 国家自然科学基金(59874013)

Study of adsorption of gold on R-520 resin

研究了R-520树脂吸附金的过程.结果表明,在低酸时吸附效果最佳,氯金络离子的吸附率随盐酸浓度增加而下降,静态饱和金吸附容量为351.55mg/g干树脂,表观吸附速率常数k=2.06×10-4/s,吸附氯金络离子的过程符合Boyd液膜扩散模式,酸性硫脲溶液解吸载金树脂较完全.

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