When you opt for synthetic sodium nitrate and nitrite from BASF, you are guaranteed best-in-class purity and reliability. Whether you operate a parabolic trough, linear Fresnel, or tower plant,
The study shows how an increase in the proportion of sodium nitrate for a new binary solar salt to 78–22 wt%, produces an increase in the heat capacity of the mixture by
Operators can take advantage of a new ternary mixture of molten salts based on Calcium-Potassium-Sodium-Nitrate introduced by Yara. This low melting (131°C) ternary mixture of molten salts can be used both as a heat
Highest quality sodium nitrate regardless if the sun is shining or not. The technology utilizes a mixture of potassi m and sodium nitrate as a storage medium. This mixture can be used
Comprehensive benchmarking of lithium vs sodium nitrate in solar salt mixtures for CSP plants, analyzing thermal efficiency and energy storage capabilities.
Coastal Chemical Hitec solar nitrate salt is composed of high purity Sodium nitrate and Potassium nitrate salts. This composition provides thermal performance identical to the eutectic mixture,
For this specific application, Sodium Nitrate and Potassium Nitrate are mixed in 60%/40% by weight ratio. The mixture is stable in air and has a low vapour pressure.
Operators can take advantage of a new ternary mixture of molten salts based on Calcium-Potassium-Sodium-Nitrate introduced by Yara. This low melting (131°C) ternary mixture of
Information relevant to the availability, transport, handling, and utilization of these salts for commercial-size SCR applications is provided.
By combining classical molecular dynamics and differential scanning calorimetry experiments, we present a systematic study of all thermostatic, high temperature properties of
For sensible heat storage in solar power plants, a non-eutectic molten salt mixture consisting of 60 wt % sodium nitrate (NaNO 3) and 40 wt % potassium nitrate (KNO 3) is used.
For sensible heat storage in solar power plants, a non-eutectic molten salt mixture consisting of 60 wt % sodium nitrate (NaNO 3) and 40 wt % potassium nitrate (KNO 3) is used.

Hence, sodium nitrate significantly increases the outcome of solar thermal plants. By partnering with BASF, CSP plant operators have access to innovative technical concepts that address a wide range of challenges – from gas management to salt handling, and much more besides.
A mixture of potassium and sodium nitrate offer a solution. They can be used within a temperature range of 280 to 380 degrees Celsius. Latent heat storage systems use the salts’ transition from solid to liquid. Thus, large heat quantities can be stored efficiently. Hence, sodium nitrate significantly increases the outcome of solar thermal plants.
Reference: A.V. Zavoico, SAND2001-2100 Solar Power Tower Design Basis Document – Courtesy of Sandia National Laboratories Albuquerque, New Mexico 87185 and Livermore, California 94550 – July 2001. For this specific application, Sodium Nitrate and Potassium Nitrate are mixed in 60%/40% by weight ratio.
Coastal Chemical Hitec solar nitrate salt is composed of high purity Sodium nitrate and Potassium nitrate salts. This composition provides thermal performance identical to the eutectic mixture, but at a lower cost.
For this specific application, Sodium Nitrate and Potassium Nitrate are mixed in 60%/40% by weight ratio. The mixture is stable in air and has a low vapour pressure. Thermal and fluid properties of molten thermo-solar salts mixture (60% NaNO 3 + 40% KNO 3 as a function of temperature.
This even larger thermal stability range fits the requirements of Concentrated Solar Power (CSP) plants which, as a consequence, use nitrate molten mixtures as a heat storage medium. By 2030, it is estimated a usage of ≈1.8 × 10 9 tons of nitrate mixtures in CSP plants 1.
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