Investigation of adsorption of heavy metal ions by natural aluminosilicate

被引：16

作者：

Filatova, E. G. ^{[1
]}

Pozhidaev, Yu. N. ^{[1
]}

Pomazkina, O. I. ^{[1
]}

机构：

[1] Irkutsk Natl Res Tech Univ, Ul Lermontova 83, Irkutsk 664074, Russia

来源：

PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2016年 / 52卷 / 03期

关键词：

NICKEL IONS; REMOVAL; ZEOLITE; CLINOPTILOLITE; WATER; MODEL; CU2+;

D O I：

10.1134/S2070205116030102

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The adsorption capacity of studied aluminosilicate samples was found to depend significantly on the sizes of grains of adsorbents. The equations for calculating the statistical exchange capacity of aluminosilicate of different fractions in relation to ions of heavy metals Ni(II), Cu(II), Zn(II), Fe(III), and Cr(III) were derived. The effective coefficients of diffusion in the adsorbent grain and in the film of solution were found. It was determined that external diffusion kinetics served as a limiting step of adsorption. The rate of the process was determined as varying from 0.16 x 10(-6) to 2.8 x 10(-6) mol/m(2) s.

引用

页码：438 / 442

页数：5

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