Journal ArticleDOI
Solubility and detection of water in the (Na,K)NO3 eutectic melt
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In this paper, the water solubility in the (Na,K)NO 3 eutectic melt has been determined in the temperature range 500-567 K and the process enthalpy has been found to be −8.4 kcal mol −1 at 10 −2 molal concentration level.About:
This article is published in Journal of Electroanalytical Chemistry.The article was published on 1970-12-01. It has received 49 citations till now. The article focuses on the topics: Solubility & Eutectic system.read more
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Advanced heat transfer fluids for direct molten salt line-focusing CSP plants
TL;DR: In this article, the authors focus on direct molten salt line-focusing technology using linear Fresnel and parabolic trough collector systems and evaluate phase diagrams, composition, melting ranges, melting temperature, minimum operation temperature, thermal stability and maximum operation temperature.
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Molten Salt Corrosion of Stainless Steels and Low-Cr Steel in CSP Plants
TL;DR: In this paper, the corrosive effects of 60% NaNO3/40% Na NO3 have been tested at 390 and 550°C, in order to simulate the working conditions in two principal concentrated solar power (CSP) plants, on stainless steel (AISI 304, 430) and on a low-Cr alloy steel (T22) containing 2.25% Cr.
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Corrosion of stainless steels and low-Cr steel in molten Ca(NO3)2–NaNO3–KNO3 eutectic salt for direct energy storage in CSP plants
Ángel G. Fernández,Ángel G. Fernández,Ángel G. Fernández,Héctor R. Galleguillos,Edward Fuentealba,Edward Fuentealba,Francisco Perez +6 more
TL;DR: In this article, the corrosive effects of a molten nitrate mixture of 48% Ca(NO 3 ) 2 +7% NaNO 3 +45% KNO 3 were appraised at 390°C on two different types of stainless steels (AISI 304, 430), a low-Cr alloy steel (T22) and a carbon steel (A1) using gravimetric tests.
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Molten salt corrosion mechanisms of nitrate based thermal energy storage materials for concentrated solar power plants: A review
TL;DR: Corrosion mechanisms for current heat transfer fluid and storage media used in CSP plants working at temperatures from 300°C to 600°C are reviewed in this article, which shows that these mechanisms are influenced by the impurities present in the salt and the relation between Mg(NO3)2, moisture, CO2, perchlorates and sulphates with the corrosion process.
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Reversible oxygen electrode systems in molten salts
TL;DR: In this paper, the authors investigated the nature of the "oxygen electrode" in the molten (Na, K) NO3 eutectic at 10−3−10−1 m oxide concentration levels, by combining potentiometric and voltammetric techniques.
References
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Journal ArticleDOI
An Electrochemical Investigation of the Reduction of Nitrate in NaNO3 ‐ KNO 3 Eutectic at 250°C
H. S. Swofford,H. A. Laitinen +1 more
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Redox chemistry of the system O2-O2--O22--O2- in fused salts
Pier G. Zambonin,Joseph Jordan +1 more
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The Solubility of Water in Molten Mixtures of LiCl and KCl1
TL;DR: In this article, the solubility of water in molten mixtures of 50.0, 60.0 and 68.6 mole% LiCl in KCl has been determined at 480 deg, and 30.5 at 390 deg.
Journal ArticleDOI
Oxide chemistry and electroreduction of NO3− in molten alkali nitrates
TL;DR: In this paper, microcoulometric and voltammetric measurements have been carried out in the temperature range 229°-280°C in a (Na,K)NO3 eutectic melt, pure or containing species produced in situ by massive electrolysis.
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Some aspects of solution chemistry in liquid mixtures of inorganic salts with water
TL;DR: Experimental and theoretical investigations of some thermodynamic, transport and structural properties of very concentrated aqueous electrolyte solutions are reviewed in this paper, focusing on the range of concentrations between anhydrous molten salts and the hydrate melts.