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取代芳烃混合物吸附平衡特性的研究——Ⅱ.均匀势吸附平衡模型在多组分吸附平衡推算中的应用

STUDY ON ADSORPTION EQUILIBRIA OF SUBSTITUTED AROMATIC MIXTURES ON ZEOLITES Ⅱ.APPLICATION OF HOMOGENEOUS ADSORPTION EQUILIBRIUM MODEL TO MULTICOMPONENT SYSTEMS
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摘要 本文将均匀势吸附平衡模型扩展到多组分取代芳烃/沸石饱和吸附体系,建立了组成显式的多组分均匀势吸附平衡模型,。可用于自二组分吸附平衡数据直接推算多组分吸附平衡关系。对文献报道的几组三、四组分取代芳烃/沸石饱和吸附体系吸附平衡关系的理论推算结果表明,本文建立的均匀势模型与实验数据吻合良好,优于最近文献报道的两种均匀势吸附模型。 In this paper,by extending the assumption of the homogeneous adsorption with the interaction between the unlike adsorbed molecules to multicomponent systems,a multi- component homogeneous adsorption equilibrium model was developed in order to predict directly multicomponent adsorption equilibria of the substituted aromatic mixtures on zeolites under saturation conditions.All the model parameters can be estimated from the experimental binary data.The new model has been tested on three systems of xylene- toluene/KY (150℃),xylene-isopropylbenzene / KY (170℃) and chlorotoluene-chloroben- zene-toluene/CaX(230℃).The prediction by the proposed model is in satisfactory agree- ment with the experimental multicomponent adsorption equilibrium data from the litera- ture,and shows superiority to the models published recently.
出处 《石油学报(石油加工)》 EI CAS CSCD 北大核心 1993年第2期70-78,共9页 Acta Petrolei Sinica(Petroleum Processing Section)
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