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An experimental study was conducted to obtain the adsorption kinetics of quaternary aqueous system of typical industrial pollutants: phenol, butanol, butan-2-ol, 2-methylbutan-2-ol onto activated carbon. The effects of various experimental parameters such as contact time and adsorbent dosage in batch mode were investigated. The extent of the organic component removal increased with contact time and in the amount of adsorbent used. The quaternary adsorption kinetics has been observed using the extended Langmuir and Freundlich predictive model theory. The equilibrium adsorption data have been fitted to Langmuir and Freundlich isotherms, and the isotherm constant which are needed for the prediction of multicomponent adsorption equilibria are reported.