引用本文:
李亚红, 高世扬, 韩志萍, 宋彭生, 夏树屏. Pitzer混合参数对HCl-KCl-H2O体系25℃时溶解度预测的影响[J]. 应用化学,
2001, 18(2): 155-157.
Citation: LI Ya-Hong, GAO Shi-Yang, HAN Zhi-Ping, SONG Peng-Sheng, XIA Shu-Ping. Effects of Pitzer Mixing Parameters on the Solubility Prediction of HCl-KCl-H2O System at 25℃[J]. Chinese Journal of Applied Chemistry, 2001, 18(2): 155-157.
Citation: LI Ya-Hong, GAO Shi-Yang, HAN Zhi-Ping, SONG Peng-Sheng, XIA Shu-Ping. Effects of Pitzer Mixing Parameters on the Solubility Prediction of HCl-KCl-H2O System at 25℃[J]. Chinese Journal of Applied Chemistry, 2001, 18(2): 155-157.
Pitzer混合参数对HCl-KCl-H2O体系25℃时溶解度预测的影响
摘要:
自80年代以来,应用Pitzer模型[1],对水盐体系中的各种组分溶解度预测的研究异常活跃,对世界上四大水盐体系[2~4]中组分溶解度的预测都获得成功,但HCl-LiCl-MgCl2-H2O四元体系在0℃和40℃时的溶解度预测结果和实验结果的偏差较大[5].
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关键词:
- HCl-KCl-H2O体系
- / 溶解度预测
- / Pitzer混合参数
English
Effects of Pitzer Mixing Parameters on the Solubility Prediction of HCl-KCl-H2O System at 25℃
Abstract:
The solubility variation of the phase system HCl-KCl-H2O at 25℃ is reported when θHK(interactions between two species with the same charge) and JHKCl(interactions among three species) are changed within ±10%. The calculated results indicate that the interactions among the three species are much stronger than that between the two species, whereas the combination of the two kinds of interactions result in great changes of the solubility of the system. This results is important for the salting out technology of the water-salt system.
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Key words:
- HCl-KCl-H2O system
- / solubility prediction
- / Pitzer mixing parameter
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