| 平均球近似法预测电解质水溶液的固—液平衡 |
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| 引用本文： | 于养信 高光华. 平均球近似法预测电解质水溶液的固—液平衡[J]. 高校化学工程学报, 1997, 11(4): 343-348 |
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| 作者姓名： | 于养信 高光华 |
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| 作者单位： | 清华大学化学工程系 |
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| 摘 要： | 以溶解反应平衡常数为电解质水溶液的固－液平衡判据。应用改进的平均球近 法，使用由单一电解质水溶液活度系数数据得到的参数，在不同任何混合参数的情况下，对七个混合电解质水溶液体系在２９８．１５ｋ时的固－液平衡进行预测，其结果能很好地与溶解度的实验值相符合。
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| 关 键 词： | 电解质水溶液 固液平衡 MSA法 溶解度 |
Prediction of Solid liquid Equilibria for Mixed Electrolyte Aqueous by the Modified Mean Spherical Approximation |
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| Yu Yangxin Gao Guanghua Lu Jiufang Li Yigui. Prediction of Solid liquid Equilibria for Mixed Electrolyte Aqueous by the Modified Mean Spherical Approximation[J]. Journal of Chemical Engineering of Chinese Universities, 1997, 11(4): 343-348 |
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| Authors: | Yu Yangxin Gao Guanghua Lu Jiufang Li Yigui |
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| Abstract: | Inorganic salt solubilities in ternary electrolyte mixtures are calculated by using available thermodynamic data for solids and for aqueous electrolyte solutions. The mean ionic activity coefficients in mixed electrolyte solutions at saturated concentrations have been predicted by using the modified mean spherical approximation (MSA) without any mixing parameters. Excellent to good agreement with experimental solubilities for ternary mixtures indicates that the modified MSA method can be successfully used to predict solid liquid equilibria for mixed electrolyte aqueous at various temperatures. |
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| Keywords: | Solid liquid equilibrium Solubility Mixed electrolyte aqueous MSA Activity coefficient |
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