Application and Optimization of Chitosan Beads Production for Adsorption Study of Arsenic and Copper ions from Simulated Waste Water

Raliat Yusuf Yakubu, Abdulsalami Kovo

Abstract


This research is aimed at Chitosan beads synthesis, characterization and application for Arsenic and Copper removal from simulated waste water, which was achieved by developing chitosan beads under alkaline and acidic mediums. The Functional group, Pore size and Surface area of the synthesized beads were studied using the Brunauer Emmette Test and Fourier Transform Infrared Spectroscopy. The developed adsorbent was then used for Arsenic and Copper removal from simulated waste water. The effect of all parameters influencing the adsorption capacity such adsorbent dosage, initial concentration, activation temperature and activation time were studied based on Experimental Design Matrix using Surface Response (SR) methodology. It was found that the functional present in this case is - CONH- CH2 stretching the N – H bending and there was absence of the strong Amide II group due to the high degree of de – acetylation of produced chitosan beads. The surface area, pore size and pore volume were found to be376m2/g, 6.52nm and 0.134cm3/g which also shows a good absorptive property resulting to high percentage removal of the heavy metals. The combined effect of all the operating parameters was found to have greatest adsorption efficiency on copper than arsenic from simulated waste water at the same operating conditions based on their F- values which was 98.03% for Copper and 96.22% for Arsenic

 



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