Abstract
Adsorption on activated carbon is one of the well-established and effective techniques for the removal of chloroorganic pollutants from surface water, groundwater, and drinking water. Since these water contaminants occur often together in the present study, kinetics and equilibria of simultaneous adsorption of selected chlorophenols and chlorophenoxy herbicides from aqueous solutions are investigated and described. For investigations, three monochlorophenols (2-chlorophenol, 3-chlorophenol, and 4-chlorophenol), as well as chlorophenoxy hebicides (2,4-dichlorophenoxyacetic acid and 2-methyl-4-chlorophenoxyacetic acid), are chosen. As adsorbent granular-activated carbon Filtrasorb 300 (938 m2/g) was used. Adsorption quantities were determined by HPLC method. Kinetics of adsorption was described by pseudo-second-order model and adsorption equilibria by Freundlich equation. Proposed method can be used for adsorption from multicomponent aqueous solutions.
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