摘要
本文研究了重金属捕集剂-2,4,6-三巯基-1,3,5-三嗪三钠(TMT-18F)对银离子的捕集效果,讨论了TMT-18F的用量、溶液pH、反应时间这三个因素对捕集效果的影响。实验表明,TMT-18F在pH=4的溶液中,室温静置30m in后,银的去除率达99%以上,且废水中银离子剩余浓度远远低于国家排放标准,说明TMT-18F对银离子的捕集效果很好。这使得TMT-18F在银离子废液处理和回收领域具有广阔的潜在应用前景。
In this paper, the trap performance of a heavy metals trapping agent - 2, 4, 6 - three - sulfhydryl - 1,3, 5 - three - triazine sodium （ TMT - 18F） for silver ions was studied, the effects of the amount of TMT - 18F, the pH val- ue of the solution, and reaction time on the trap performance of TMT- 18F were discussed. The experimental results show that in the ease of pH = 4, reaction time of 30 min at room temperature, the removal ration of TMT- 18F- treated heavy metals are over 99%, and the concentrations of the remainder of silver ions are much lower than the national emission standards. The advantages of trap performance for silver ion make the prospect of TMT- 18F＇s application to the treatment and recovery of waste liquid containing silver ions.
出处
《湖北第二师范学院学报》
2010年第2期34-36,共3页
Journal of Hubei University of Education
基金
湖北第二师范学院院管重点项目资助(2008A009)
湖北省教育厅自然科学重点项目资助(D20093103)
关键词
2
4
6-三巯基-1
3
5-三嗪三钠
银
捕集
2, 4, 6 - three - sulfhydryl - 1, 3, 5 - three - triazine sodium
silver
trapping
