Removal of lead (II) from aqueous environment by a fibrous ion exchanger: Polycinnamamide thorium (IV) phosphate

被引：45

作者：

Islam, Mahamudur ^{[1
]}

Patel, Rajkishore ^{[2
]}

机构：

[1] Purushottam Inst Engn & Technol, Dept Chem, Rourkela 770034, Orissa, India

[2] Natl Inst Technol, Dept Chem, Rourkela 769008, Orissa, India

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2009年 / 172卷 / 2-3期

关键词：

Lead; Thermodynamic parameter; DR isotherm; Langmuir isotherm; Lagergren rate equation; WASTE-WATER; EARTH-ELEMENTS; METAL-IONS; FLY-ASH; ADSORPTION; CADMIUM; CRYSTALLINE; FLUORIDE; EQUILIBRIUM; BAGASSE;

D O I：

10.1016/j.jhazmat.2009.07.057

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The objective of the present research was to synthesize. characterize and to investigate the removal efficiency of lead (II) ion from synthetic lead solution by a hybrid fibrous ion exchanger. In the present study polycinnamamide thorium (IV) phosphate was synthesized by co-precipitation method and was characterized using SEM, XRD, MR and TGA-DSC. To know the practical applicability, a detailed removal study of lead ion was carried out using the material. The removal of lead was 81.2% under optimum conditions. Adsorption kinetic study revealed that the adsorption process followed first order kinetics. Adsorption data were fitted to linearly transformed Langmuir isotherm with R-2 (correlation coefficient) >0.99. Thermodynamic parameters were also calculated to study the effect of temperature on the removal process. In order to understand the adsorption type, equilibrium data were tested with Dubinin-Radushkevich isotherm. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：707 / 715

页数：9

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