| 热力学模型对KCI-K2SO4-H2O体系溶解度的预测 |
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| 引用本文： | 尹 霞,汪 琼,吴玉双. 热力学模型对KCI-K2SO4-H2O体系溶解度的预测[J]. 湖南大学学报(自然科学版), 2011, 38(2): 65-69 |
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| 作者姓名： | 尹 霞 汪 琼 吴玉双 |
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| 作者单位： | 湖南大学,化学化工学院,湖南,长沙,410082 |
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| 基金项目： | 湖南大学"中央高校基本科研业务费"资助 |
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| 摘 要： | 用Pitzer-Simonson-aegg热力学模型(PSC模型)和Pitzer模型,结合KCl-H2O,K2SO4-H2O以及KCl-K2SO4-H2O体系水活度和溶解度实验数据,分别计算KC1-H2O体系和K2SO4-H2O体系的溶解度相图,及KCl-K2 SO4-H2O体系在273.15 K,298.15 K,3...
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| 关 键 词： | 热力学模型 溶解度 KCl-K2SO4-H2O体系 水活度 |
Solubility Prediction of System KCl-K2SO4-H2O Using Thermodynamic Model |
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| YIN Xia,WANG Qiong,WU Yu-shuang. Solubility Prediction of System KCl-K2SO4-H2O Using Thermodynamic Model[J]. Journal of Hunan University(Naturnal Science), 2011, 38(2): 65-69 |
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| Authors: | YIN Xia WANG Qiong WU Yu-shuang |
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| Abstract: | The solubility of the KCl-K2SO4-H2O system was simulated at a wide range of temperatures by using PSC model and Pitzer model. The experiment water activity and experiment solubility in the binary KCl-H2O, K2SO4-H2O and ternary KCl-K2SO4-H2O systems were used to obtain the model parameters. For the KCl-K2SO4-H2O system of low solubility, the Pitzer model values are in agreement with the experiment data just by using binary coefficients, and the PSC model should take into account the ternary coefficients. |
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| Keywords: | thermodynamic model solubility KCl-K2SO4-H2O system water activity |
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