Aqueous phase adsorption of phenols by granular activated carbon was studied in a batch adsorption vessel. Adsorption isotherms of phenol(Ph), p-chlorophenol(PCP) and p-nitrophenol (PNP) from aqueous solution on granular activated carbon have been obtained. The experimental data were analyzed by the surface and pore diffusion models. Both models could be applied to predict the adsorption phenomena. However, the pore diffusion model was slightly better than the surface diffusion model in representing the experimental data for the initial concentration changes. Therefore, the pore diffusion model was used to predict the change of operating variables such as the agitation speed and particle size of adsorbent which have influence on the film resistance and intraparticle diffusion.

• 권성헌(부산대학교 화학공학과) | Seong-Heon Kweon (Dept. of Chem. Eng., College of Engineering, Pusan National University)
• 강원석(부산대학교 화학공학과) | Won-Seok Kang (Dept. of Chem. Eng., College of Engineering, Pusan National University)
• 김인실(부산대학교 화학공학과) | In-SiI Kim (Dept. of Chem. Eng., College of Engineering, Pusan National University)
• 박판욱(부산대학교 화학공학과) | Pan-Wook Park (Dept. of Chem. Eng., College of Engineering, Pusan National University)
• 윤영삼(국립환경연구원 금강수질검사소) | Young-Sam Yoon (Kum River Water Quality Research Laboratory, National Institute of Environmental Research)
• 정용옥(부경대학교 화학공학과) | Yong-Ok Jeong (Dept. of Chem. Eng., College of Engineering, Pukyong National University)