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Thermal characterization of solar salts from north of Chile and variations of their properties over time at high temperature.

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Title: Thermal characterization of solar salts from north of Chile and variations of their properties over time at high temperature.
Authors: Fernández, Ángel1 angel.fernandez@uantof.cl, Veliz, Sussy2, Fuentealba, Edward1, Galleguillos, Hector2
Source: Journal of Thermal Analysis & Calorimetry. Jun2017, Vol. 128 Issue 3, p1241-1249. 9p.
Subjects: Salt analysis, Solar power plants, Heat transfer, Viscosity, Thermal stability, Thermogravimetry
Abstract: The current study has conducted a wide-ranging characterization, under high-temperature conditions, of a new ternary and quaternary heat transfer fluid, with the addition of Ca(NO) and LiNO, two of the solar salt additives with a greater potential for being included in these new formulations proposed for the new generation of concentrated solar power (CSP) plants. In this direction, the present research is focused on viscosity and thermal stability since these salts try to increase the work temperature range in CSP plants. Viscosity tests were analyzed each 10 °C from 130 to 300 °C in order to check the variation in this parameter close to their melting points. Isothermal analysis at 450 and 500 °C was also performed through thermal gravimetric (TG) analysis, measuring any resulting loss of mass in the sample at these temperatures. Results were compared with the behavior in binary solar salt. These tests showed a progressive thermal degradation of salts over the time and the maximum temperature for operation in CSP has been corrected regarding the use of ternary and quaternary molten salts. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Thermal Analysis & Calorimetry is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Thermal characterization of solar salts from north of Chile and variations of their properties over time at high temperature.
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  Data: <searchLink fieldCode="AR" term="%22Fernández%2C+Ángel%22">Fernández, Ángel</searchLink><relatesTo>1</relatesTo><i> angel.fernandez@uantof.cl</i><br /><searchLink fieldCode="AR" term="%22Veliz%2C+Sussy%22">Veliz, Sussy</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Fuentealba%2C+Edward%22">Fuentealba, Edward</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Galleguillos%2C+Hector%22">Galleguillos, Hector</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Thermal+Analysis+%26+Calorimetry%22">Journal of Thermal Analysis & Calorimetry</searchLink>. Jun2017, Vol. 128 Issue 3, p1241-1249. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Salt+analysis%22">Salt analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+power+plants%22">Solar power plants</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+transfer%22">Heat transfer</searchLink><br /><searchLink fieldCode="DE" term="%22Viscosity%22">Viscosity</searchLink><br /><searchLink fieldCode="DE" term="%22Thermal+stability%22">Thermal stability</searchLink><br /><searchLink fieldCode="DE" term="%22Thermogravimetry%22">Thermogravimetry</searchLink>
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  Data: The current study has conducted a wide-ranging characterization, under high-temperature conditions, of a new ternary and quaternary heat transfer fluid, with the addition of Ca(NO) and LiNO, two of the solar salt additives with a greater potential for being included in these new formulations proposed for the new generation of concentrated solar power (CSP) plants. In this direction, the present research is focused on viscosity and thermal stability since these salts try to increase the work temperature range in CSP plants. Viscosity tests were analyzed each 10 °C from 130 to 300 °C in order to check the variation in this parameter close to their melting points. Isothermal analysis at 450 and 500 °C was also performed through thermal gravimetric (TG) analysis, measuring any resulting loss of mass in the sample at these temperatures. Results were compared with the behavior in binary solar salt. These tests showed a progressive thermal degradation of salts over the time and the maximum temperature for operation in CSP has been corrected regarding the use of ternary and quaternary molten salts. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Journal of Thermal Analysis & Calorimetry is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s10973-016-6037-y
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      – Code: eng
        Text: English
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        PageCount: 9
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      – SubjectFull: Salt analysis
        Type: general
      – SubjectFull: Solar power plants
        Type: general
      – SubjectFull: Heat transfer
        Type: general
      – SubjectFull: Viscosity
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      – SubjectFull: Thermal stability
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      – SubjectFull: Thermogravimetry
        Type: general
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      – TitleFull: Thermal characterization of solar salts from north of Chile and variations of their properties over time at high temperature.
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            NameFull: Veliz, Sussy
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            NameFull: Fuentealba, Edward
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            NameFull: Galleguillos, Hector
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            – D: 01
              M: 06
              Text: Jun2017
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              Y: 2017
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