NATURAL TREATMENT OF POLLUTANTS IN WATER:Pollutants that can be oxidized by bacteria in the presence of free dissolved oxygen can be aerobically converted to CO2 and H2O. These pollutants, such as domestic sewage and many readily biodegradable industrial wastes, can be destroyed in accordance with the oxygen sag equations presented above, if oxygen is naturally reinjected into the water [....]
Natural & Artificial Treatment of Pollutants in Water
