Comparison of Dye Adsorption of Three Forms of Chitosan

Shu-Hwa  Lin; Chih-Pong  Chang; Jen-Chieh  Chang; Kelly  Mammel

doi:10.4236/aces.2014.43035

Shu-Hwa Lin, Chih-Pong Chang, Jen-Chieh Chang, Kelly Mammel

Abstract: The purpose of this project is to explore the adsorption rates of different dye methods (direct, reactive, acidic, disperse, azo dyes) in three shapes of chitosan materials (film, microsphere, and scaffold) which were formed by 88% deacetylation degree of chitosan. Results of this research suggest that the samples with larger specific surface areas tend to have shorter adsorption times. Among the three samples, the chitosan scaffold reached the adsorptive saturation on the third day, showing the shortest adsorption time of the direct, reactive, acidic, dispersive and azo dyes, whereas the chitosan film reached the adsorptive saturation on the eighth day, giving it the longest adsorption time of the dyes.

Keywords: Chitosan, Film, Microsphere, Scaffold, Dye Adsorption

Cite this paper: Lin, S. , Chang, C. , Chang, J. and Mammel, K. (2014) Comparison of Dye Adsorption of Three Forms of Chitosan. Advances in Chemical Engineering and Science, 4, 319-326. doi: 10.4236/aces.2014.43035.

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