Effect of the Composition of the Zeolite Framework of Natural Clinoptilolites on the Exchange of Cations Na+ On Ca2+

被引：1
|
作者：
Krysenko, D. A. [1 ]
Demchenko, V. Ya. [1 ]
机构：
[1] NAS Ukraine, AV Dumansky Inst Colloid & Water Chem, Kiev, Ukraine
来源：
THEORETICAL AND EXPERIMENTAL CHEMISTRY | 2023年 / 59卷 / 3期
关键词：
clinoptilolite; zeolite; exchange complex; selectivity; thermodynamic constants;
D O I：
10.1007/s11237-023-09782-5
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The effect of the zeolite framework composition on the selectivity and thermodynamic parameters of ion exchange is studied for the exchange reaction of Ca2+ cations on Na-forms of clinoptilolites from nine deposits of Central and Southeast Europe, Northeast Asia, and North America. An increase in the thermodynamic affinity of Na-forms towards Ca(2+ )cations is shown with a decrease in the Si/Al ratio in their zeolite framework.
引用
收藏
页码：222 / 230
页数：9
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