Sorption of Scandium on Acid-Modified Transcarpathian Clinoptilolite

被引：0
|
作者：
Vasylechko, V. O. [1 ,2 ]
Korpalo, Ch. B. [1 ]
Gryshchouk, G. V. [1 ]
机构：
[1] Ivan Franko Natl Univ Lviv, Dept Analitycal Chem, Lvov, Ukraine
[2] Lviv Acad Commerce, Dept Chem & Phys, Lvov, Ukraine
来源：
2014 IEEE INTERNATIONAL CONFERENCE ON OXIDE MATERIALS FOR ELECTRONIC ENGINEERING (OMEE) | 2014年
关键词：
scandium; sorption; acid-modified clinoptilolite; ADSORPTION;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The sorption properties of acid-modified Transcarpathian clinoptilolite towards Sc(III) under dynamic conditions have been studied. It was found that the most effective acid-modifier is 0.5M HCl solution. Maximal sorption capacity is observed in the previously heat-treated at 50 degrees C samples of H-clinoptilolite in low alkaline solutions (pH=8.5). At this conditions almost all of the Sc(III) ions are in the form of neutral hydroxo complex [Sc(OH)(3)(H2O)(3)]. The sorption capacity of H-clinoptilolite towards Sc(III) ions under optimum conditions is 9.98 mg/g.
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页码：28 / 29
页数：2
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