Investigation of Phase Diagram of BaCl₂—NaCl—H₂O System at Temperatures up to 530°C and pressures up to 150 MPa

2011, №2

сс. 92-113

M.A. Urusova, S.V. Makaev, E.V. Maleeva, H.S. Ivanova, V.M. Valyashko

Key words: sub- and supercritical water-salt equilibria, critical phenomena, heterogenization of homogeneous SC fluids, hydrothermal salt solubility, ternary phase diagrams

Experimental studies of high temperature phase equilibria in the system BaCl₂—NaCl—H₂O determine the conditions when the homogeneous supercritical (SC) fluid, spreading from the binary subsystem BaCl₂—H₂O of type 2, transforms into the heterogeneous equilibria. These data also show that liquid-gas equilibria in ternary mixture can be continuously transformed into the immiscibility equilibria in the SC conditions. The comparison of the obtained experimental results with available data for the system K₂SO₄—KCl—H₂O suggests that ternary systems with one volatile component formed by binary subsystems of type 2 with immiscibility and of type 1 without immiscibility have phase diagrams of the same type.

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doi:10.1134/S1990793111070165

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7.0.100-2018

Урусова, М.А. Investigation of Phase Diagram of BaCl₂—NaCl—H₂O System at Temperatures up to 530°C and pressures up to 150 MPa / М.А. Урусова, С.В. Макаев, Е.В. Малеева [и др.]. – Текст : непосредственный // Сверхкритические Флюиды: Теория и Практика.. – 2011. – Т. 6. – № 2. – С. 92-113.

TRANSLIT

A., M. Issledovanie fazovoj diagrammy sistemy BaCl2—NaCl—H2O pri temperaturah do 530°C i davleniyah do 150 MPa / M. A. Urusova, S.V. Makaev, E. V. Maleeva [i dr.]. – Sverhkriticheskie Flyuidy: Teoriya i Praktika.. – 2011. – Т. 6. – № 2. – S. 92-113.

M.A. Urusova, S.V. Makaev, E.V. Maleeva, H.S. Ivanova, V.M. Valyashko Investigation of Phase Diagram of BaCl₂—NaCl—H₂O System at Temperatures up to 530°C and pressures up to 150 MPa. Sverhkriticheskie Flyuidy: Teoriya i Praktika, 2, 92-113 (2011). https://doi.org/

Investigation of Phase Diagram of BaCl2—NaCl—H2O System at Temperatures up to 530°C and pressures up to 150 MPa

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Investigation of Phase Diagram of BaCl₂—NaCl—H₂O System at Temperatures up to 530°C and pressures up to 150 MPa