TITLE:
Comparison of Dye Adsorption of Three Forms of Chitosan
AUTHORS:
Shu-Hwa Lin, Chih-Pong Chang, Jen-Chieh Chang, Kelly Mammel
KEYWORDS:
Chitosan, Film, Microsphere, Scaffold, Dye Adsorption
JOURNAL NAME:
Advances in Chemical Engineering and Science,
Vol.4 No.3,
July
6,
2014
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.