BIOLOGICAL WASTEWATER TREATMENT PRINCIPLES …
Anoxic Nitrate 23.7 Nitrogen gas Rising solids Anaerobic Sulfate 1.5 Hydrogen sulfide Odorous, Corrosive, and Toxic Anaerobic Carbon Dioxide 0.9 Methane Odorous, ... It is important to note that raw sewage discharges into a receiving water also present ... sedimentation processes that allow the water to be held under quiescent conditions.