Low-temperature biological denitrification of wastewater.
D000641:Ammonia; D009566:Nitrates / Q000302:isolation & purification; D009584:Nitrogen / Q000302:isolation & purification; D012722:Sewage; D013696:Temperature
D009566:Nitrates; D012722:Sewage; D000641:Ammonia; D009584:Nitrogen