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KMID : 1171820040190010037
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Journal of Environmental and Sanitary Engineering
2004 Volume.19 No. 1 p.37 ~ p.41
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A Study on Removal Efficiency of Cd by using Chitosan Complex isolated from Aspergillus ory zae
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Jang Jae-Seon
Lee Jea-Man
Kim Yong-Hee
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Abstract
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The removal efficiency of cadmium by chitosan complex isolated from Aspergillus oryzae was investigated through laboratory experiments. The results of the study are as follows. The adsorption kinetics of cadmium was reached the adsorption equilibrium in approximately 30 minutes and the removal efficiency was showed 95.8%. The effect of temperature on cadmium adsorption by chitosan complex shows that as the temperature increased, the amount of cadmium adsorption per unit weight of chitosan complex increased. The correlation between amount of cadmium adsorption per unit weight of chitosan complex and temperature was obtained through the coefficient of detennination(R²). R² values was 0.854(p<0.05L A linearized Freundlich equation was used to fit the acquired experimental data. As a result, Freundlich constant, the adsorption intensity)1/n) was 0.550, and the measure of adsorption(k) was 2.18l. So. it was concluded that adsorption of cadmium by chitosan complex is effective.
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