Modelling of the adsorption of Cephalosporin C on modified resins in a stirred tank

J.L. Casillas , M. Martinez , F. Addo-Yobo , J. Aracil
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引用次数: 17

Abstract

It has been shown that over the range of concentration used, the adsorption of Cephalosporin C can be characterized by a single linear adsorption constant. Additionally, the kinetics has been modelled successfully using both the linear adsorption isotherm and a single effective internal diffusion coefficient. The modelling work showed that the observed insensitivity of the goodness of fit to the effective Sherwood number was due to the fact that the method of agitation employed in the experiments was effective. The results hold in spite of the twofold variation in adsorption concentration in the liquid phase and the threefold variation in the square of the particle radius.

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搅拌槽中改性树脂对头孢菌素C吸附的模拟
研究表明,在使用的浓度范围内,头孢菌素C的吸附可以用单一的线性吸附常数来表征。此外,利用线性吸附等温线和单一有效内扩散系数成功地模拟了动力学。建模工作表明,观察到的拟合优度对有效舍伍德数的不敏感是由于实验中采用的搅拌方法是有效的。尽管液相的吸附浓度变化了两倍,颗粒半径的平方变化了三倍,但结果仍然成立。
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