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Melting Point and Heat Capacity of MgCl2 + Mg Salts

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Advances in Molten Slags, Fluxes, and Salts: Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts 2016

Abstract

MgCl2-containing salt is one of the candidates for the solar thermal energy storage applications. To protect the structural alloy from corrosion, the addition of Mg to salt as a corrosion inhibitor is considered. Melting point, heat capacity, enthalpy, entropy and Gibbs energy of MgCl2 with different amount of Mg are studied in this paper. Depression of melting point is calculated using a derivation of Raoul-Van’t Hoff formula. The MgCl2 rich phase diagram is constructed. The MgCl2 with a small amount of Mg addition shows no significant effect on melting point of the salt mixture. Moreover, it can be a candidate as heat transferring fluid for MgCl2 in solar thermal energy storage applications.

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Authors and Affiliations

  1. Department of Metallurgical and Materials Engineering, The University of Alabama, Tuscaloosa, AL, 35487, USA

    Yuxiang Peng & Ramana G. Reddy

Authors
  1. Yuxiang Peng
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  2. Ramana G. Reddy
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Editor information

Editors and Affiliations

  1. The University of Alabama, USA

    Ramana G. Reddy (Conference Chair) (Conference Chair)

  2. Global R&D, ArcelorMittal USA, USA

    Pinakin Chaubal (Co-chair) (Co-chair)

  3. Carnegie Mellon University, USA

    P. Chris Pistorius (Co-chair) (Co-chair)

  4. Boston University, USA

    Uday Pal (Co-chair) (Co-chair)

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© 2016 TMS (The Minerals, Metals & Materials Society)

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Peng, Y., Reddy, R.G. (2016). Melting Point and Heat Capacity of MgCl2 + Mg Salts. In: Reddy, R.G., Chaubal, P., Pistorius, P.C., Pal, U. (eds) Advances in Molten Slags, Fluxes, and Salts: Proceedings of the 10th International Conference on Molten Slags, Fluxes and Salts 2016. Springer, Cham. https://doi.org/10.1007/978-3-319-48769-4_56

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