四元交互体系Li~+,K~+/Cl~-,CO_3~(2-)-H_2O在298K时相平衡及物理化学性质研究

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Zabuye Saline Lake, Tibet, China, is unrivalled in the world for its very high salinity, in particular, for the very high concentration of ions of lithium, potassium, and boron in the brine. It belongs to alkaline and carbonate borate type salt lake. As a part of the study on phase equilibrium of the 6 component subsystem Li +, Na +, K +/Cl -, CO 2- 3, B 4O 2- 7 H 2O of the brine system, a study on the reciprocal quaternary system Li +, K +/Cl -, CO 2- 3 H 2O at 298 K was done with isothermal dissolution equilibrium method in the present work. The phase equilibrium of the reciprocal quaternary system Li +, K +/Cl -, CO 2- 3 H 2O at 298 K was studied with isothermal dissolution method in this work. The physico chemistry properties of the corresponding equilibrium solutions such as densities, viscosities, refractive index, conductivities and pH value were determined. The dried salt diagram of the system consists of four crystallization fields (KCl, Li 2CO 3, LiCl·H 2O, K 2CO 3·3/2H 2O) and five isothermal solubility curves. There are no double slat or solid solution found. Pitzers model of the electrolyte solution theory was used for parameterization from the results of solubility determination for subsystems and the prediction of solubilities for the reciprocal quaternary system was made. The solubility data of the experiment are in agreement with those calculated. [WT5HZ] Zabuye Saline Lake, Tibet, China, is unrivalled in the world for its very high salinity, in particular, for the very high concentration of ions of lithium, potassium, and boron in the brine. It belongs to alkaline and carbonate borate type salt lake . As a part of the study on phase equilibrium of the 6 component subsystem Li +, Na +, K + / Cl -, CO 2- 3, B 4O 2-7 H 2O of the brine system, a study on the reciprocal quaternary system Li +, K + / Cl -, CO 2- 3 H 2O at 298 K was done with isothermal dissolution equilibrium method in the present work. The phase equilibrium of the reciprocal quaternary system Li +, K + / Cl -, CO 2 - 3 H 2O at 298 K was studied with isothermal dissolution method in this work. The physico chemistry properties of the corresponding equilibrium solutions such as densities, viscosities, refractive index, conductivities and pH values ​​were determined. of four crystallization fields (KCl, Li 2 CO 3, LiCl · H 2 O, K 2CO 3 · 3 / 2H 2 O) and five isothermal solubility curves. There are no double slat or solid solution found. Pitzers model of the electrolyte solution theory was used for parameterization from the results of solubility determination for subsystems and the prediction of solubilities for the reciprocal quaternary system was made. The solubility data of the experiment are in agreement with those calculated. [WT5HZ]
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