Water remediation using Casuarina equisetifolia cone as adsorbent for the removal of methyl violet 2B dye using batch experiment method

A Casuarina equisetifolia cone exhibited potential to remove methyl violet 2B dye from the aqueous solution. The experiments were performed using batch method whereby parameters such as contact time, dosage, temperature, pH, ionic strength and dye concentration were investigated. The kinetics of the adsorption process was described using the pseudofirst-order, pseudo-second-order and Weber-Morris intraparticle diffusion models with pseudo-second-order better described the adsorption kinetics and more than one diffusion mechanism may be involved. The maximum adsorption capacity was determined as 63 mg/g, according to the Langmuir model.

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