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A 23 factorial design was used to examine the sorption of Cd2+ onto cross-linked low molecular weight chitosan pyruvic acid derivative. Three factors and two levels of solution pH (A) (6.0 or 10.0), temperature (B) (45 or 70°C) and Cd(II) concentration (C) (1 or 3mg/L) were considered. Batch mode system was employed with 0.05g of the sorbent and 25mL of Cd(II) solution. The efficiency of cadmium removal...
Adsorption capacity of cross-linked low molecular weight chitosan pyruvic acid derivatives CSnPA-GLA (n=8, 11) were examined by employing 23 factorial design method. Three (3) factors and two (2) levels of adsorbent dose (A) (0.05 and 0.1g), adsorbent type (B) (CS8PA-GLA and CS11PA-GLA) and concentration of lead solution (C) (1 and 3mg/L) were considered. From the statistical analysis, all the main...
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