Removal of Malachite Green from Dye Wastewater Using Mesoporous Carbon Adsorbent

被引：48
作者：
Anbia, M. [1 ]
Ghaffari, A. [1 ]
机构：
[1] Univ Sci & Technol, Fac Chem, Res Lab Nanoporous Mat, Tehran 16846, Iran
来源：
JOURNAL OF THE IRANIAN CHEMICAL SOCIETY | 2011年 / 8卷
关键词：
Adsorption isotherm; Kinetic study; Malachite green dye; Mesoporous carbon adsorbent; PHOTO-FENTON DEGRADATION; AQUEOUS-SOLUTION; ACTIVATED CARBONS; INDUSTRY WASTE; ADSORPTION; EQUILIBRIUM; PERFORMANCE; KINETICS; ISOTHERM; SORPTION;
D O I：
10.1007/BF03254283
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Mesoporous carbon was synthesized for the removal of a cationic dye malachite green (MG) from aqueous solution. The studies were carried out under various experimental conditions such as contact time, dye concentration, adsorption dose and pH to assess the potentiality of mesoporous carbon for the removal of malachite green dye from wastewater. The sorption equilibrium was reached within 30 min. In order to determine the adsorption capacity, the sorption data were analyzed using linear form of Langmuir and Freundlich equation. Langmuir equation showed higher conformity than Freundlich equation. More than 99% removal of MG was reached at the optimum pH value of 8.5. From kinetic experiments, it was concluded that the sorption process followed the pseudo-first-order kinetic model. This study showed that mesoporous carbon can be recommended as an excellent adsorbent at high pH values.
引用
收藏
页码：S67 / S76
页数：10
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