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ABSTRACT
The Chitosan-Furfural Schiff Base was synthesized through a process involving the reaction of chitosan (a biodegradable and abundantly available biopolymer) with furfural, a natural organic compound. Experimental spectroscopic technique like FTIR was employed to characterize the synthesized compound and confirm the formation of a Schiff base. The important infrared (IR) spectral bands corresponding to the active groups in the CFSB were studied. The BET analysis showed that the material had a large surface area of 339.85 m2/g, a pore volume of 0.194cm3/g and a pore diameter of 2.94nm. The SEM analysis showed that the material had a large surface area and it showed the presence of pores. The adsorption performance of the Chitosan-Furfural Schiff Base for phenol removal from water, was systematically investigated under various experimental conditions, including initial phenol concentration. The adsorption isotherms were analysed to evaluate the adsorption mechanism and efficiency. From the adsorption isotherm models, The Freundlich isotherm presented greater R2 value (0.8959) compared to the Langmuir isotherm model R 2 (0.5087) for the Schiff base, and was best fitted to explain the adsorption behavior of phenol removal.
