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ABSTRACT
Bone char was utilized in the removal of crystal violet from aqueous solution by adsorption process. Batch method was employed to study the effect of initial concentration at various time on the adsorption process. The experimental data was investigated by pseudo first order and pseudo second order kinetics models to explain the mechanism of the sorption process. The equilibrium data was also fitted into different isotherm models including Freundlich and Langmuir.
The result showed that the adsorption was best described by the Freundlich isotherm while the kinetics data was best explained by the pseudo first and second order model. The maximum adsorption capacity of unmodified bone char was 12.53 mg/g. The data obtained also indicate that unmodified bone char could serve as low cost and alternative for the effective removal of crystal violet from aqueous solutions.
