Ammonia Storage & Injection Systems

Ammonia serves key industrial applications in both its anhydrous and aqueous forms across cooling and emissions control systems. Anhydrous ammonia (pure ammonia gas) is widely used as a direct refrigerant in large industrial cooling systems due to its excellent thermodynamic properties and energy efficiency. Aqueous ammonia (ammonia dissolved in water) also functions as an absorption refrigerant in ammonia-water chillers that use heat energy rather than electricity to provide cooling, making it valuable for industrial facilities with available waste heat.

For emissions control, both forms are employed: anhydrous ammonia can be directly injected or vaporized for use in Selective Catalytic Reduction (SCR) systems, while aqueous ammonia is commonly injected into power plant and industrial boiler systems through Selective Non-Catalytic Reduction (SNCR) processes. In both applications, ammonia reacts with nitrogen oxides (NOx) in flue gases at high temperatures to convert them into harmless nitrogen and water vapor, significantly reducing air pollution. The aqueous form offers safer handling and storage compared to anhydrous ammonia while still effectively reducing harmful emissions that contribute to smog and acid rain, though anhydrous ammonia provides higher concentration and efficiency in certain large-scale applications.

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