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挥发性强电解质混合溶剂体系的热力学研究
THERMODYNAMICS OF STRONG VOLATILE ELECTROLYTE MIXED SOLVENT SYSTEM
【摘要】 本文报导了101.3kPa下HCl+H2O+CH3OH体系汽液平衡的实测结果.在对H2O+CH3OH混合溶剂中HCl的电离情况进行研讨,并求得HCl在该混合溶剂中亨利常数的基础上,从二元体系的性质出发,用笔者扩展的Pitzer(1980年)模型预测了HCl+H2O+CH3OH体系的汽液平衡,得到与实测数据极为一致的结果.
【Abstract】 The vapor-liquid equilibrium (VLE) data in ternary mixture of HCl+H2O+CH3OH were measured precisely at 101.32kPa. After discussing the partial dissociation of HCl in the mixed solvent H2O+CH3OH, the VLE of the ternary system were predicted by the authors’ extended Pitzer (1980) model, in which a new method to calculate the Henry’s constant of a strong volatile electrolyte such as HCl in mixed solvent was developed. It was demonstrated that from binary data alone the model was capable of representing the VLE of HCl+H2O+CH3OH by comparing calculated data with the experimental results.
【Key words】 thermodynamics; electrolyte mixed solvent system; extended Pitzer(1980) model;
- 【文献出处】 南京工业大学学报(自然科学版) ,Journal of Nanjing University of Technology(Natural Science Edition) , 编辑部邮箱 ,1991年03期
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