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Q » What is biological nitrogen removal (BNR)?

John

03 Nov, 2025

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A » Biological nitrogen removal (BNR) is a process used in wastewater treatment to eliminate nitrogen compounds, primarily through microbial activity. It involves nitrification, where ammonia is converted to nitrate by bacteria, followed by denitrification, in which nitrate is reduced to nitrogen gas and released into the atmosphere. This process effectively reduces nutrient pollution and helps protect aquatic ecosystems from eutrophication.

Michael

03 Nov, 2025

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A »Biological nitrogen removal (BNR) is a wastewater treatment process that uses microorganisms to convert nitrogen compounds into harmless nitrogen gas. It involves nitrification and denitrification processes, removing nitrogen pollutants from water, and is crucial for preventing eutrophication and protecting aquatic ecosystems.

David

03 Nov, 2025

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