Adsorption of malachite green from aqueous solution by carboxylate group functionalized multi-walled carbon nanotubes: Determination of equilibrium and kinetics parameters

被引：143

作者：

Rajabi, M. ^{[1
]}

Mirza, B. ^{[2
]}

Mahanpoor, K. ^{[3
]}

Mirjalili, M. ^{[4
]}

Najafi, F. ^{[5
]}

Moradi, O. ^{[6
]}

Sadegh, H. ^{[7
,8
]}

Shahryari-ghoshekandi, R. ^{[7
,8
]}

Asif, M. ^{[9
]}

Tyagi, I. ^{[10
]}

Agarwal, S. ^{[11
]}

Gupta, Vinod Kumar ^{[10
,11
]}

机构：

[1] Islamic Azad Univ, East Tehran Branch, Young Researchers & Elite Club, Tehran, Iran

[2] Islamic Azad Univ, South Tehran Branch, Dept Chem, Tehran, Iran

[3] Islamic Azad Univ, Arak Branch, Fac Sci, Dept Chem, Arak, Iran

[4] Islamic Azad Univ, Yazd Branch, Dept Text Engn, Yazd, Iran

[5] Islamic Azad Univ, Roudehen Branch, Dept Chem, Roudehen, Iran

[6] Islamic Azad Univ, Shahr E Qods Branch, Dept Chem, Tehran, Iran

[7] Islamic Azad Univ, Sci & Res Branch, Dept Chem, Tehran, Iran

[8] Islamic Azad Univ, Sci & Res Branch, Young Researchers & Elite Club, Tehran, Iran

[9] King Saud Univ, Chem Engn Dept, Riyadh, Saudi Arabia

[10] Indian Inst Technol, Dept Chem, Roorkee 247667, Uttarakhand, India

[11] Univ Johannesburg, Dept Appl Chem, Johannesburg, South Africa

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2016年 / 34卷

关键词：

Adsorption; Dye; MWCNT-COOH; Malachite green; Aqueous solutions; ACTIVATED CARBON; METHYL-ORANGE; GRAPHENE OXIDE; COMPETITIVE ADSORPTION; ASSISTED REMOVAL; DYES; IONS; WASTE; BLUE; COMPOSITE;

D O I：

10.1016/j.jiec.2015.11.001

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

MWCNTs functionalized with the carboxylate group are used as efficient adsorbent for the rapid removal and fast adsorption of malachite green from the aqueous solutions. The optimized contact time and pH were 10 min and 9, respectively. The effect of temperature revealed that the adsorption capacity of malachite green (MG) dye increased with increasing contact time, temperature and pH of the working solution. The adsorption equilibrium and kinetic data was well fitted and found to be in good agreement with the Langmuir isotherm model and pseudo second order kinetic model respectively with high correlation coefficient. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：130 / 138

页数：9

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