Removal of tannic acid from aqueous solution by magnetic carbohydrate natural polymer

被引：22

作者：

Kumar, Rajeev ^{[1
]}

Barakat, M. A. ^{[1
,2
,3
]}

Soliman, Ezzat M. ^{[4
]}

机构：

[1] King Abdulaziz Univ, Fac Meteorol Environm & Arid Land Agr, Dept Environm Sci, Jeddah 21589, Saudi Arabia

[2] King Abdulaziz Univ, CEES, Jeddah 21589, Saudi Arabia

[3] Cent Met R&D Inst, Helwan Cairo 11421, Egypt

[4] Menia Univ, Fac Sci, Dept Chem, Al Minya, Egypt

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2014年 / 20卷 / 05期

关键词：

Magnetic adsorbent; Tannic acid; Kinetics; Isotherm; Thermodynamics; WASTE-WATER; ADSORPTION; CHITOSAN; ADSORBENT; CU(II);

D O I：

10.1016/j.jiec.2013.11.033

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Adsorptive removal of tannic acid (TA) form aqueous solution by synthesized magnetic lignocellulosic adsorbent was investigated. SEM, EDAX, and FTIR analysis were performed to characterize the magnetic saw dust (MSD). The effect of various operational parameters such as contact time, concentration and solution pH etc were studied. The optimum adsorption of TA was observed at pH 4. Results revealed that the Temkin isotherm model fitted well to the adsorption equilibrium data and obeyed the pseudo-second order kinetics model. The values of free energy change and activation energy suggested that physical forces were involved in the adsorption of TA onto MSD. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：2992 / 2997

页数：6

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