Effect of the nature of the salt precursor of an oxide-hydroxide sorbent on the sorption of oxalate ions

被引：0
|
作者：
S. I. Pechenyuk
L. F. Kuz’mich
Yu. P. Semushina
机构：
[1] Russian Academy of Sciences,Tananaev Institute of Chemistry and Technology of Rare Elements and Minerals
来源：
Russian Journal of Physical Chemistry A | 2012年 / 86卷
关键词：
oxy hydroxide; sorption activity; precursor; ion medium; sorption isotherm; sorption front; iron; aluminum; zirconium;
D O I：
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学科分类号：
摘要：
Generalizations are made on the effect of the nature of a precursor (the original salt of a metal) on the sorption activity of hydrogels of oxidehydroxides (OHes) towards oxalate ions using the example of an OH obtained by the alkaline hydrolysis of chloride, perchlorate, and sulfate of Fe(III); chloride, sulfate, and nitrate of Al; and nitrate of Zr(IV). It is established that the sorption of C2O42− on the studied OHes is described by the Langmuir equation. We find that the sorption activity depends on the nature of the precursor: Al2(SO4)3 > Al(NO3)3 > AlCl3 > ZrO(NO3)2 > Fe2(SO4)3 > FeCl3 > Fe(ClO4)3.
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页码：1465 / 1468
页数：3
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