4.0 Article

Sorbents Based on Crown Ethers for Purification of Aqueous Solutions from Metal Ions

期刊

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B
卷 14, 期 6, 页码 1036-1041

出版社

MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1990793120060056

关键词

gamma-radiation; sorption; sorbents; crown ethers; waste water; selectivity

资金

  1. Federal Research Center of Semenov Federal Research Center of Chemical Physics, Russian Academy of Sciences [AAAA-A18-118012390045-2]
  2. Russian Foundation for Basic Research [18-29-25038_mk]

向作者/读者索取更多资源

The sorption of copper and lead ions by sorbents based on 15-crown-5 and 18-crown-6 esters and their benzosubstituted analogs chemically bonded to porous mineral substrates under the action of gamma radiation is considered. The influence of various parameters on the efficiency of metal sorption from aqueous solutions is studied. The correspondence between the ability of the sorbent to absorb metal ions and the size of the cavity of the crown ether (CE) is shown, which determines the high level of selectivity of such sorbents. Indeed, sorbents based on 18-crown-6 ether have a significantly higher sorption capacity in relation to lead, while 15-crown-5 ether is more effective for the sorption of copper ions. The effect of the radiation dose rate and the time of holding the sorbent in a salt solution on the amount of sorbed metal is studied.

作者

我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。

评论

主要评分

4.0
评分不足

次要评分

新颖性
-
重要性
-
科学严谨性
-
评价这篇论文

推荐

暂无数据
暂无数据