Abstract
In the present work a novel chitosan-acrylamide based hydrogel was synthesized. Synthesized hydrogel was used for oil adsorption from aqueous solution. Different reaction parameters like adsorbent dosage, contact time, temperature and pH were optimized to obtained the maximum crude oil adsorption. The chemical structure and morphology of the synthesized hydrogel were studied using FTIR and SEM techniques. Thermal behavior of the synthesized hydrogel was studied using TGA and DTG techniques. Synthesized hydrogel was thermally more stable than the backbone. Langmuir and Freundlich isotherm models were used to study the experimental data of the oil adsorption. The results showed that oil is adsorbed according to the Langmuir model. The adsorption kinetics was also studied and found that oil adsorption followed the pseudo-second-order kinetics. The synthesized hydrogel is very effective for the adsorption of oil.
Published Version
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