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Adsorption Treatment of Azo Dye Containing Wastewater using Activated Carbon and Glass Fiber as an Adsorbent  

Baek, Mi-Hwa (Department of Environmental Science and Engineering, Ewha Womans University)
Jeon, Hyein (Department of Environmental Science and Engineering, Ewha Womans University)
Lee, Ji-Ae (Department of Environmental Science and Engineering, Ewha Womans University)
Kim, Dong-Su (Department of Environmental Science and Engineering, Ewha Womans University)
Publication Information
Journal of Korean Society on Water Environment / v.25, no.3, 2009 , pp. 370-374 More about this Journal
Abstract
Adsorption characteristics of glass fibers, obtained from the spent lithium primary batteries recycling process, were investigated for the removal of Acid Red 27 dye from aqueous solution. The batch data clearly showed that increasing the initial sorptive concentration apparently enhanced the amount adsorbed and the uptake process followed the pseudo-second order rate model. The equilibrium adsorption data at different initial sorptive concentrations were fitted well to Freundlich and Langmuir adsorption isotherms. Moreover, the increase in temperature, favored the uptake of dye on this solid, indicated the process was endothermic in nature. Further, using the temperature dependence sorption data obtained at different temperatures was used to estimate various thermodynamic parameters.
Keywords
Activated carbon; Adsorption; Azo dye; Dye wastewater; Glass fiber;
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