흡착실험과 예측모델 연구를 통해 수용액에서 phenol(Ph), p-chlorophenoI(PCP) 및 p-nitrophenol(Ph''n릿 제거에 있어서 충전층 흡착관의 성능을 조사하였다. 흡착거동에 대한 예측모델식은 유한요소법을 적용 수치모사하였다. 흡착제의 흡착거동은 표면확산 및 세공확산모델을 적용하여 해석하였다. 두 모델 모두 충전층 흡착관의 흡착현상을 예측하는데 적용될 수 있었다. 그러나, 세공확산모엘이 표면확산모델보다 실험치(초기농도, 유량, 충진층높이)와의 부합도가 다소 좋았다. 그러므로, 물질전달계수 변화에 대한 충전층 흡착관의 성능 예측을 위해 세공확산모델을 적용 충전층 흡착관의 성능을 조사하였다.

Adsorption experimental and predictive model studies were done to investigate the performance of a packed-bed adsorption column for the removal of phenoI(Ph), p-chlorophenol(PCP), and p-nitrophenoI(PNP) from aqueous solutions. The composed prediction model equations for adsorption behavior were solved by the technique of finite element method. Adsorption behavior of adsorbates are analyzed by introducing surface and pore diffusion models. Both models could be applied to predicting the packed-bed adsorption phenomena. However, the pore diffusion model is slightly better than the surface diffusion model in representing the experimental data(initial concentration, flow rate, and packed-bed length). Therefore, the pore diffusion model was applied to predicting the performance of packed-bed adsorption column according to mass transfer coefficients(film resistance, intraparticle diffusion, and axial dispersion) changes.

Packed-Bed Adsorption Column Finite Element Method Surface and Pore Diffusion Models Adsorption Phenomena

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