Removal of methylene blue from aqueous solution by using iron filings waste material in batch and continuous experiments

Abstract EN

Twenty five experiments for both untreated and treated iron filings were carried out at various initial concentrations of MB, flow rate, bed depth, and different ratios of iron filings.

Two types of experiments were carried out, batch experiments and continuous flow (column system) experiments.

Batch study showed that equilibrium isotherms for all the adsorbents used in the study are of favorable type.

The equilibrium data for methylene blue adsorption on both adsorbent well fitted to the Langmuir equation, with maximum monolayer adsorption capacities of (24.47 mg / g) and (25.03 mg / g) exhibited by untreated iron filings and treated iron filings respectively.