Adsorption Isotherm Study of Crystal violet dye onto Biochar Prepared from Agriculture Waste

In the present investigation, crystal violet dye adsorption on biochar was prepared from the banana stem (Musa Acuminata) to know its capacity for adsorption of colour dyes from synthetic aqueous solution. The banana stem biochar (BSB) was prepared using pyrolysis method at 3500C and 4500C. The characterization was carried out to know its morphology and chemical composition using scanning electron microscopy for BSB-350 and BSB-450. Present work was carried out to examined surface characteristics and the batch experiment parameters such as pH, contact time, concentration and amount of dose which depends on adsorption kinetic model Langmuir, Freundlich, Temkin and Dubinin Radakovich. In our findings, it shows maximum adsorption of crystal violet dye on BSB 350 - 208.33mg/g and BSB 450 - 153.50mg/g which reveals that adsorption of dyes by using biochar is a cost-effective, environment-friendly practice and will be helpful to reduce pollutant from industrial effluent treatment plant. (ETP).