High-performance removal of toxic phenol by single-walled and multi-walled carbon nanotubes: Kinetics, adsorption, mechanism and optimization studies

被引：91

作者：

Dehghani, Mohammad Hadi ^{[1
,2
]}

Mostofi, Masoome ^{[1
]}

Alimohammadi, Mahmood ^{[1
]}

McKay, Gordon ^{[3
]}

Yetilmezsoy, Kaan ^{[4
]}

Albadarin, Ahmad B. ^{[5
]}

Heibati, Behzad ^{[1
]}

AlGhouti, Mohammad ^{[6
]}

Mubarak, N. M. ^{[7
]}

Sahu, J. N. ^{[8
]}

机构：

[1] Univ Tehran Med Sci, Sch Publ Hlth, Dept Environm Hlth Engn, Tehran, Iran

[2] Ctr Solid Waste Res, Inst Environm Res, Tehran, Iran

[3] Hamad bin Khalifa Univ, Qatar Fdn, Div Sustainabil, Doha, Qatar

[4] Yildiz Tech Univ, Fac Civil Engn, Dept Environm Engn, Davutpasa Campus, TR-34220 Istanbul, Turkey

[5] Univ Limerick, Dept Chem & Environm Sci, Limerick, Ireland

[6] Qatar Univ, Coll Arts & Sci, Dept Biol & Environm Sci, Doha, Qatar

[7] Curtin Univ Technol, Sch Sci & Engn, Dept Chem Engn, Miri 98009, Sarawak, Malaysia

[8] Inst Teknol Brunei, Fac Engn, Petr & Chem Engn Programme Area, POB 2909, Tungku Gadong, Brunei

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2016年 / 35卷

关键词：

Adsorption; Carbon nanotubes; Kinetics; Optimization; Phenol; BAGASSE FLY-ASH; ACTIVATED CARBON; AQUEOUS-SOLUTIONS; WASTE-WATER; DYE; EQUILIBRIUM; THERMODYNAMICS; ISOTHERM; SORPTION; 4-NITROPHENOL;

D O I：

10.1016/j.jiec.2015.12.010

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The adsorption capabilities of two nano-sized adsorbents: multi-walled carbon nanotubes (MWCNTs) and single-walled carbon nanotubes (SWCNTs) were investigated for the removal of toxic phenol. The maximum adsorption capacities of MWCNTs and SWCNTs were determined as 64.60 and 50.51 mg/g, respectively. Adsorption kinetics followed the pseudo-second order model for both adsorbents. The optimum conditions using SWCNT5 and MWCNTs were pH 6.57 and 4.65, phenol concentration 50 and 50 mg/L, dose 1.97 and 2 g/L and contact time 36 and 56 min, respectively. The results indicated that MWCNTs and SWCNT5 were proven as high-performance adsorbents for toxic phenol removal from wastewater. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：63 / 74

页数：12

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