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활성탄에 의한 페놀계 유기용액의 흡착

Adsorption of Phenolic Organic Solution onto Activated Carbon

HWAHAK KONGHAK, April 1989, 27(2), 215-223(9), NONE
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Abstract

흡착장치의 성능에 영향을 미치는 교반속도, 초기농도, 흡착제 입도 등의 조업변수가 경막물질전달계수, 입자내 확산계수 및 세공확산계수에 미치는 영향을 검토하였다.
흡착장치의 흡착거동을 경막-고체확산모델(F-S 모델)과 경막-세공확상모델(F-P 모델)을 적용하여 해석한 결과 두 모델 모두 흡착장치의 흡착거동 해석에 사용될 수 있었으며, F-P 모델이 F-S모델보다 실험치와의 부합도가 다소 좋았다. 세공확산계수는 흡착질의 초기농도의 영향을 많이 받으며 따라서 확산계수의 값이 초기농도의 영향을 받는 영역에서는 F-S 모델의 사용이 권장된다.
The effect of operating varibles like agitation speed, initial concentration and particle size of adsorbent which have influence on the performance of adsorber are studied. Adsorption behavior of adsorbers are analyzed by introducing the film-solid diffusion model(F-S model) and film-pore diffusion model(F-P model). Both of the models can be applied to predict the performance of adsorbers. F-P model is slightly better than F-S model to represent the ex-perimental data. The eftect of initial concentration on the pore diffusivity is so strong that in the region of influence, it is recommended to use F-S model.

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