This nitrogen removal process uses anaerobic ammonium oxidation to convert nitrite and ammonium into nitrogen, posing significant advantages over nitrification/denitrification...
An effort to protect POTWs from toxic pollutants discharged by non-domestic sources, the National Pretreatment Program uses permit requirements to enforce compliance.
With its often simple design, the gravity sewer system can be an economical approach to delivering wastewater to a local treatment plant — when the circumstances are right.