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Methylene Blue adsorption from aqueous solution by activated carbon: Effect of acidic and alkaline solution treatments
The removal of Methylene Blue (MB) from aqueous solution using activated carbon (AC) has been investigated. Adsorption experiments were conducted and the maximum adsorption capacity was determined. The effect of experimental parameters such as pH, dye concentration and temperature were studied on the adsorption process. Equilibrium data were mathematically modeled using the Langmuir and Freundlich adsorption models to describe the equilibrium isotherms at different dye concentrations and temperature. Parameters of best-fit model were calculated and discussed. To understand the mechanism of adsorption, kinetic models were employed to follow the adsorption processes; the pseudo-first-order best described the adsorption of MB onto AC. It was found that pH plays a major role in the adsorption process; adsorption capacity was influenced by the physical and surface chemical properties of carbon and the pH of the solution. 99.0% MB removal was achieved at equilibrium.
Methylene Blue adsorption from aqueous solution by activated carbon: Effect of acidic and alkaline solution treatments
The removal of Methylene Blue (MB) from aqueous solution using activated carbon (AC) has been investigated. Adsorption experiments were conducted and the maximum adsorption capacity was determined. The effect of experimental parameters such as pH, dye concentration and temperature were studied on the adsorption process. Equilibrium data were mathematically modeled using the Langmuir and Freundlich adsorption models to describe the equilibrium isotherms at different dye concentrations and temperature. Parameters of best-fit model were calculated and discussed. To understand the mechanism of adsorption, kinetic models were employed to follow the adsorption processes; the pseudo-first-order best described the adsorption of MB onto AC. It was found that pH plays a major role in the adsorption process; adsorption capacity was influenced by the physical and surface chemical properties of carbon and the pH of the solution. 99.0% MB removal was achieved at equilibrium.
Methylene Blue adsorption from aqueous solution by activated carbon: Effect of acidic and alkaline solution treatments
Ijagbemi, Christianah O. (author) / Chun, Ji I. (author) / Han, Da. H. (author) / Cho, Hye Y. (author) / O, Se J. (author) / Kim, Dong S. (author)
Journal of Environmental Science and Health, Part A ; 45 ; 958-967
2010-01-01
10 pages
Article (Journal)
Electronic Resource
English
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