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Phase diagram of BaCl2-NaCl-H2O at temperatures up to 530°C and pressures up to 150 MPa

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Abstract

Experimental studies of high-temperature phase equilibria in the BaCl2-NaCl-H2O made it possible to determine the conditions of heterogenization of homogeneous supercritical (SC) fluids spreading from the BaCl2-H2O binary subsystem of type 2 and to reveal the continuity of the transformation of gasliquid equilibria into equilibria of phase separation in SC environment. Comparison with the characteristics of the K2SO4-KCl-H2O system suggests that ternary systems with one volatile component formed by binary subsystems of type 2 with phase separation and of type 1 without separation have the same type of phase diagrams.

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Correspondence to V. M. Valyashko.

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Original Russian Text © M.A. Urusova, S.V. Makaev, E.V. Maleeva, N.S. Ivanova, V.M. Valyashko, 2011, published in Sverkhkriticheskie Flyuidy: Teoriya i Praktika, 2011, Vol. 6, No. 2, pp. 922-113.

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Urusova, M.A., Makaev, S.V., Maleeva, E.V. et al. Phase diagram of BaCl2-NaCl-H2O at temperatures up to 530°C and pressures up to 150 MPa. Russ. J. Phys. Chem. B 5, 1173–1188 (2011). https://doi.org/10.1134/S1990793111070165

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  • DOI: https://doi.org/10.1134/S1990793111070165

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