Use of a Specific Type of Bentonite Clay for the Removal of Reactive Dyes
Keywords:
Bentonite Clay, Adsorption, Reactive Dye.Abstract
In this study two reactive dyes (RR and RG) in single solution were adsorbed by bentonite clay in equilibrium and kinetic experiments. Batch Experiments of pH (4-9) and initial concentration (5-100) mg/l were carried out for single solution for each dye. Experiments of adsorbent dosage effect (0.2-1) g per 200 ml. models of Freundlich and Langmuir were used as Equilibrium isotherm models for single solution, the adsorption model were applied to implementation to fit the experimental data of the adsorption process. The results show that the Langmuir model was more suitable to represent the removal of reactive dyes (red, green) than the Freundlich model by bentonite clay.
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