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Phase equilibria in water–salt systems from sodium, magnesium, and calcium nitrates and deicing properties of nitrate compositions

  • Technology of Inorganic Substances and Materials
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Abstract

Phase equilibria have been studied in the sections of Mg(NO3)2–NaNO3–H2O and Ca(NO3)2–NaNO3–H2O systems at the ratio of salt components from 3: 1 to 1: 3 at temperatures of 0 to–35°C. A series of nitrate compositions has been determined, which are promising as deicing agents. Their theoretical (under equilibrium conditions) fusion ability with respect to ice at–5 to–10°C has been calculated. The corrosion activity of the composition of calcium and magnesium nitrates (1: 1) with respect to cement concrete (in collaboration with the test laboratory of OOO RSTs Opytnoe) has been measured. It has been found that the reagent meets criteria according to the action on cement concrete and can be used in aerodromes. This composition has been chosen as original for the development of a solid granular deicing agent on its basis for aerodromes.

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References

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Authors and Affiliations

  1. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia

    E. A. Frolova, D. F. Kondakov & V. P. Danilov

  2. All-Russian Institute of Aviation Materials, Moscow, Russia

    L. I. Avdyushkina

  3. Test Laboratory of OOO RSTs Opytnoe, Moscow, Russia

    A. V. Bykov & A. N. Shkarupin

Authors
  1. E. A. Frolova
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  2. D. F. Kondakov
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  3. L. I. Avdyushkina
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  4. A. V. Bykov
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  5. A. N. Shkarupin
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  6. V. P. Danilov
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Corresponding author

Correspondence to V. P. Danilov.

Additional information

Original Russian Text © E.A. Frolova, D.F. Kondakov, L.I. Avdyushkina, A.V. Bykov, A.N. Shkarupin, V.P. Danilov, 2016, published in Khimicheskaya Tekhnologiya, 2016, Vol. 17, No. 6, pp. 242–246.

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Frolova, E.A., Kondakov, D.F., Avdyushkina, L.I. et al. Phase equilibria in water–salt systems from sodium, magnesium, and calcium nitrates and deicing properties of nitrate compositions. Theor Found Chem Eng 51, 523–526 (2017). https://doi.org/10.1134/S0040579517040066

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  • DOI: https://doi.org/10.1134/S0040579517040066

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