Removal of Cu(II), Ni(II), and Co(II) from aqueous solutions using layered double hydroxide intercalated with EDTA

被引：25
|
作者：
Goncharuk, V. V. [1 ]
Puzyrnaya, L. N. [1 ]
Pshinko, G. N. [1 ]
Kosorukov, A. A. [1 ]
Demchenko, V. Ya. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Dumanskii Inst Colloid & Water Chem, Kiev, Ukraine
来源：
JOURNAL OF WATER CHEMISTRY AND TECHNOLOGY | 2011年 / 33卷 / 05期
关键词：
adsorption; layered double hydroxides; heavy metals; EDTA; CU2+; PB2+; CD2+;
D O I：
10.3103/S1063455X11050031
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A sample of a layered double hydroxide intercalated by EDTA has been synthesized and its chemical formula [Zn4Al2(OH)(12)](EDTA) center dot 8H(2)O was determined. The possibility of applying such sorbent for the extraction of Cu(II), Ni(II), and Co(II) from aqueous solutions was investigated. Comparative investigation of the sorption capacity of carbonate and chelate forms of layered double hydroxides was performed. It is shown that the degree of extraction of metals on sorbent [Zn4Al2(OH)(12)](EDTA) center dot 8H(2)O completely correlates with the stability of complex compounds of these metals in the solution.
引用
收藏
页码：288 / 292
页数：5
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