Abstract
AbstractPolyamide–epichlorohydrin–cellulose (PAE–Cell) can adsorb substantial quantities of several direct dyes and acid dyes from aqueous solutions using a batch process. The ad‐sorption kinetics of these dyes on PAE–Cell was studied using Langmuir and Freundlich isotherm equations at different temperatures. Other adsorption parameters studied were initial dye concentration, the pH of the solution, particle size, treated time, and salt added. The PAE–Cell was found to have monolayer equilibrium saturation capacities of more than 500 mg dye per PAE–Cell for these anionic dyes. These results show that PAE–Cell polymers exhibit better capacity than do some types of commercial activated carbon. © 1993 John Wiley & Sons, Inc.
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