Adsorption of lead (II) ions from water solutions with natural zeolite and chamotte clay

被引：61

作者：

Rakhym, A. B. ^{[1
]}

Seilkhanova, G. A. ^{[1
,2
]}

Kurmanbayeva, T. S. ^{[1
]}

机构：

[1] Al Farabi Kazakh Natl Univ, Al Farabi Av 71, Alma Ata 050040, Kazakhstan

[2] Ctr Physicochem Methods Res & Anal, Tole Bi St 96A, Alma Ata 050012, Kazakhstan

来源：

MATERIALS TODAY-PROCEEDINGS | 2020年 / 31卷

关键词：

Adsorption; Lead; Zeolite; Chamotte clay; Isotherms; SURFACTANT-MODIFIED ZEOLITE; REMOVAL; SORPTION;

D O I：

10.1016/j.matpr.2020.05.672

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Natural zeolites and clays are known as effective and low-cost materials to use as adsorbents of different pollutants. The adsorption behavior of the Pb2+ ions adsorption on Kazakhstani natural zeolite and Ukrainian Chamotte clay has been studied in this work. The samples are characterized by SEM, EDAX, and XRD methods. The maximum uptake of lead ions (q(max)) was determined as 14 mg/g for zeolite and 11 mg/g for clay. Langmuir and Freundlich isotherm models were used to describe the adsorption mechanism. It was observed that Langmuir isotherm model best describes the adsorption of Pb+ on natural zeolite and clay. The separation factors (K-R) were calculated from the Langmuir isotherm. (C) 2020 Elsevier Ltd. All rights reserved.

引用

页码：482 / 485

页数：4

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