High-purity industrial grade inorganic chemicals manufactured to exact specifications, catering to solar energy systems and agriculture.
Unlocking thermodynamic potential and chemical efficiency across modern heavy industry, clean energy storage grids, and precision agriculture.
The global demand for high-purity Sodium Nitrate (NaNO₃) and Potassium Nitrate (KNO₃) has seen an unprecedented surge, driven by their critical applications in energy transition and advanced manufacturing. Historically recognized as fundamental elements in fertilizer formulations and glass-making processes, these inorganic compounds are now strategic components at the heart of the renewable energy revolution. Eutectic combinations of sodium and potassium nitrate serve as the primary medium for heat transfer and storage in Solar Thermal Concentration Power stations globally, offering high thermal stability up to 565°C and superb latent heat capacities.
China has solidified its position as the premier global manufacturer and refinery hub for these critical nitrates. Representing over 50% of the world's production capacity, factories in industrial centers like Shanxi utilize localized raw materials, advanced synthetics extraction, and integrated supply chains to output materials with extremely low trace-impurity profiles (chlorides and sulfates below 100ppm). This quality is essential for preventing structural degradation and SCC (Stress Corrosion Cracking) in high-temperature pipelines and thermal storage tanks.
| Chemical Compound | Common Industrial Form | Purity Grade Offered | Primary Commercial Use | Key Thermodynamic Performance Indicator |
|---|---|---|---|---|
| Potassium Nitrate (KNO₃) | Prilled / Crystalline Powder | > 99.8% High-Purity Grade | Molten Salt TES, Optical Glass Tempered Screens | Melting point 334°C, Exceptional High-Temp Stability |
| Sodium Nitrate (NaNO₃) | Dry Granular / Powder | > 99.5% Industrial Grade | Concentrated Solar Power (CSP), Metallurgy heat agents | Melting point 308°C, Highly Soluble Thermal Conductor |
| Eutectic Molten Salt Blend | 60% NaNO₃ / 40% KNO₃ | Solar Heat Transfer Grade | Thermal Battery Blocks, Grid peak load balancing | Operation range 290°C to 565°C, High Sensible Heat Storage |
Decades of manufacturing experience coupled with advanced testing protocols ensure reliable operations for your thermal and agricultural installations.
Analyzing the thermodynamic mechanisms and molecular advantages of Potassium & Sodium Nitrate mixtures.
The core chemistry behind high-temperature thermal storage utilizes a binary salt mixture composed of 60% Sodium Nitrate and 40% Potassium Nitrate, colloquially known as "Solar Salt". This specific ratio creates a eutectic or near-eutectic mixture that exhibits a depressed melting point compared to the individual constituent salts. The liquid phase of this material behaves as an exceptional heat storage reservoir because of its high density, high specific heat capacity, and low vapor pressure at extreme temperatures.
By leveraging Solar Salt, Concentrated Solar Power (CSP) facilities can decouple solar heat generation from electrical power production. During daylight hours, solar collectors focus sunlight to heat the molten salt mixture to roughly 565°C. The hot salt is then pumped and stored inside massive, insulated stainless-steel tanks. When grid demand peaks during the night, the thermal energy is drawn from the tanks to convert water into high-pressure steam, driving conventional turbines and delivering stable, dispatchable green energy to the electrical grid.
To ensure structural reliability and avoid corrosion inside molten salt heat exchangers, purity levels must be strictly monitored. The presence of chloride (Cl⁻) and sulfate (SO₄²⁻) impurities increases the electrical conductivity of the molten liquid, accelerates oxidative corrosion, and lowers the maximum usable temperature of the salt.
From green solar fields to precision agricultural fields, our chemical products deliver consistent, reliable performance.
Driving continuous chemical innovation to meet strict environmental demands and industrial performance parameters.
Developing customized ternary and quaternary nitrate blends that lower the freezing point below 140°C while sustaining high operating envelopes, thereby minimizing heat-tracing energy consumption.
Transitioning synthetic processes to integrate with green hydrogen and green ammonia inputs, dramatically reducing Scope 1 and Scope 2 carbon footprint metrics for export compliance.
Integrating inductively coupled plasma optical emission spectrometry (ICP-OES) analytical tracking systems to guarantee sub-50ppm trace metallic and halogen impurity levels for aerospace applications.
Driven since 2000, we have been committed to the entrepreneurial spirit and passion for innovation. Our team takes pride in delivering dependable products and services with a quality distinction in thermal energy storage & water-soluble fertilizer industries globally.
Why global sourcing procurement managers partner with Shanxi Vojin New Materials.
Integrated experience on global exporting operations. We manage compliance, custom declarations, and overseas marine logistics to guarantee prompt delivery of goods.
Annual output of 600,000 Tons of molten salts, fertilizers, and secondary inputs. We absorb market demand spikes without compromising process stability or delivery times.
Experienced technology skill & service team. Quick response to our customers' custom composition requirements, chemical testing, and implementation troubleshooting.
Multiple items for comprehensive selection, such as KNO₃, NaNO₃, and specialized calcium blends, to satisfy distinct criteria across diverse industrial sectors.
Comprehensive, turnkey chemical architectures engineered for complex modern industries.
Providing large-tonnage logistics and customized packing systems for binary solar salt configurations, ensuring seamless initial tank fills for utility-scale CSP installations.
Supplying ultra-pure potassium nitrate with low iron (Fe < 5ppm) to prevent optical discoloration during salt bath chemical tempering of touch-screen glass displays.
Fully water-soluble, chlorine-free nitrate nitrogen formulations designed to prevent soil consolidation, lower salinity stress, and improve crop quality in arid regions.
Expert technical answers regarding chemical specifications, storage handling, and international procurement logistics.
Expanding industrial applications with our comprehensive catalog of salts, fertilizers, and process catalysts.
Explore our core manufacturing divisions focused on inorganic salt refinement and downstream compounds.
Including sodium nitrate, potassium nitrate, calcium nitrate, and specialized molten salt blends.
Water-soluble NPK mixtures, MAP, and trace element formulations designed for advanced micro-drip systems.
Refined chemical raw material derivatives, auxiliary process agents, and mineral catalysts.
Technical updates regarding molten salt storage, concentrated solar power technology, and factory updates.
The technology can operate at higher temperatures, which has a positive impact on the efficiency of modern utility grids...
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Read More >For many years, we have successfully responded to the requirements of reputed customers in the global market.
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