期刊
DESALINATION
卷 255, 期 1-3, 页码 159-164出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.desal.2009.12.029
关键词
Oil palm empty fruit bunch; 2,4-Dichlorophenol; Adsorption; Isotherm; Kinetics; Activated carbon
资金
- University of Science Malaysia [6070015]
The potential feasibility of activated carbon derived from oil palm empty fruit bunch (EFB) for the removal of 2,4-dichlorophenol (2,4-DCP) from aqueous solution was studied. The activated carbon was prepared via chemical activation with phosphoric acid. The effect of contact time, initial concentration (25-250 mg/L), temperature (30-50 degrees C) and pH (2-12) were investigated. The experimental data were analyzed by the Langmuir and Freundlich isotherm models. The equilibrium data were best represented by Langmuir isotherm model, with a maximum monolayer adsorption capacity of 232.56 mg/g at 30 degrees C. The adsorption kinetics was well described by the pseudo-second-order kinetic model. The empty fruit bunch based activated carbon (EFBAC) was shown to be a promising material for adsorption of 2,4-DCP from aqueous solutions. (C) 2010 Elsevier B.V. All rights reserved.
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