Two-stage partial nitritation/Anammox (PN/A) for mainstream wastewater treatment: Achieving high nitrogen removal at elevated loading rates under low-temperature conditions.

Under low temperature and low ammonia nitrogen conditions, the partial nitritation/Anammox (PN/A) process faces challenges such as unstable partial nitritation and insufficient nitrogen removal. Here, a novel two-stage PN/A reactor was developed to i…

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