The use of Sawdust as by Product Adsorbent of Organic Pollutant from Wastewater: Adsorption of Maxilon Blue Dye

Author(s): A. M. Aljeboree, Nada Radi, Zamen Ahmed and A. F. Alkaim

Fugas sawdust (SD) (also known a beech wood) was used as an adsorbent for the removal of Maxilon blue dye (GRL) from an aqueous solution. The studies were carried out under various experimental conditions such as particle size, dye c oncentration, adsorption dose, pH and temperature to assess the potentiality of Fugas sawdust (SD) for the removal of GRL dye from wastewater. A greater percentage of dye removal was observed with decrease in the initial concentration of dye and increase in amount of adsorbent. The GRL dye adsorption data we re fitted to various isotherm models such as Langmuir, Freundlich and Temkin. It was found that Langmuir model fitted well. The optimum pH for the adsorption was 6.7. The adsorption of the maxilon blue dye increased with increasing temperature indicating the endothermic nature of the adsorption process. Thermodynamic parameters such as free energy, enthalpy and entropy change were calculated. This adsorbent was found to be both effective and economically viable.

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