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首页> 外文期刊>Separation and Purification Technology >Breakthrough curves for oleic acid removal from ethanolic solutions using a strong anion exchange resin
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Breakthrough curves for oleic acid removal from ethanolic solutions using a strong anion exchange resin

机译：使用强阴离子交换树脂从乙醇溶液中去除油酸的突破曲线

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Breakthrough curves for the uptake of oleic acid from azeotropic ethanol solutions, using an anion exchange resin (Amberlyst 26A OH), were determined at (298.15 ± 0.10) K. The breakthrough data were obtained using an experimental factorial design (2~2), so that the observed behavior could be investigated as a function of operational conditions using surface response analysis. Two factors were investigated: flow rate (16.5-33 mLmin~(-1)) and oleic acid concentration in the ethanolic solutions (3.5-6.5 mass%). The breakthrough curves indicated that a favorable process of oleic acid removal from ethanolic solutions was possible using anion exchange resin. A model that describes the dynamics of oleic acid adsorption in the column was obtained from the mass balances in the fluid and resin phases. The model parameter, namely the mass transfer coefficient (K_s, min~(-1)), was fitted to the experimental data. A good agreement between experimental and adjusted data was obtained.
机译：使用阴离子交换树脂（Amberlyst 26A OH）从共沸乙醇溶液中吸收油酸的突破曲线确定为（298.15±0.10）K.使用实验因子设计（2〜2）获得突破数据，因此，可以使用表面响应分析将观察到的行为作为操作条件的函数进行调查。研究了两个因素：流速（16.5-33 mLmin〜（-1））和乙醇溶液中的油酸浓度（3.5-6.5质量％）。突破曲线表明，使用阴离子交换树脂可以从乙醇溶液中去除油酸。从液相和树脂相的质量平衡中获得了描述色谱柱中油酸吸附动力学的模型。将模型参数，即传质系数（K_s，min〜（-1））拟合到实验数据。实验和调整后的数据之间取得了良好的一致性。

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