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Ammonia Nitrogen Monitoring in Municipal Wastewater: Technology Selection Guide
Key Takeaways Ammonia nitrogen (NH₃-N) is the primary pollutant driving nutrient discharge violations in 62% of municipal wastewater treatment facilities regulated under updated EPA effluent guidelines Online ammonia analyzers based on ion-selective electrode (ISE) technology offer real-time monitoring at 0.01–1,000 mg/L with response times of 60–120 seconds — enabling closed-loop aeration control that reduces energy…

