Gum ghatti and Fe3O4 magnetic nanoparticles based nanocomposites for the effective adsorption of methylene blue from aqueous solution

被引：33

作者：

Mittal, H. ^{[1
]}

Ballav, N. ^{[1
]}

Mishra, Shivani B. ^{[1
]}

机构：

[1] Univ Johannesburg, Dept Appl Chem, ZA-2028 Doornfontein, South Africa

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2014年 / 20卷 / 04期

关键词：

Methylene blue uptake; Magnetic nanoparticles; Gum ghatti; Adsorption; Desorption; REACTIVE DYES; ACTIVATED CARBON; EFFICIENT REMOVAL; CATIONIC DYES; WASTE-WATER; ADSORBENT; KINETICS; CHITOSAN; SORPTION; EQUILIBRIUM;

D O I：

10.1016/j.jiec.2013.09.049

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This article reports the development and biosorption properties of iron oxide magnetic nanoparticles incorporated Gum ghatti based nanocomposites for the remediation of methylene blue contaminated water. The physico-chemical and structural characterization confirmed the incorporation of Fe3O4 MNPs with in the polymer matrix. Adsorption kinetics followed pseudo second order rate model. Adsorption isotherm fitted well with the Langmuir adsorption isotherm with the maximum adsorption capacity of 671.14 mg/g. Thermodynamic parameters like Delta S-0, Delta H-0 and Delta G(0) were investigated and the desorption studies showed that the nanocomposite can be regenerated and reused for the removal of methylene blue. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：2184 / 2192

页数：9

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