High-surface-area and nitrogen-rich mesoporous carbon material from fishery waste for effective adsorption of methylene blue

被引：76
作者：
Marrakchi, F. [1 ]
Auta, M. [2 ]
Khanday, W. A. [1 ,3 ]
Hameed, B. H. [1 ]
机构：
[1] Univ Sains Malaysia, Sch Chem Engn, Engn Campus, Nibong Tebal 14300, Penang, Malaysia
[2] Fed Univ Technol, Dept Chem Engn, Minna, Nigeria
[3] Govt Degree Coll, Dept Chem, Anantnag 192102, Jammu & Kashmir, India
来源：
POWDER TECHNOLOGY | 2017年 / 321卷
关键词：
Nitrogen-rich mesoporous carbon; Fishery wastes; Kinetics; Isotherm; Methylene blue; ACTIVATED CARBON; AQUEOUS-SOLUTION; DYE REMOVAL; CHEMICAL ACTIVATION; SORPTION PROPERTIES; ADSORBENT; EQUILIBRIUM; POROSITY; CHITOSAN; LIQUIDS;
D O I：
10.1016/j.powtec.2017.08.023
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A high quality nitrogen-rich mesoporous carbon material (FSAC) was prepared from carbonized fishery waste through chemical activation using NaOH. The obtained material had a high surface area of 1867 m(2)/g, pore size of 2.5 nm and mesopore volume of 0.38 cm(3)/g. The adsorption efficiency of FSAC was examined for methylene blue (MB) removal from aqueous solution in batch method. The effects of initial concentration of dye (25-400 mg/L), temperature (30-50 degrees C) and pH (3-11) on the adsorption of MB on FSAC were studied. Evaluation of MB uptake by FSAC revealed that Langmuir isotherm arid pseudo-second-order adsorption model adequately described the experimental data. The FSAC spontaneous arid endothermic MB uptake at 30 degrees C gave high adsorption capacity of 184.40 mg/g. These results show that FSAC can be used as an efficient and low cost adsorbent for cationic dye removal. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：428 / 434
页数：7
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