Chemical Treatment

Chemical treatment of wastewaters uses chemicals to degrade and remove pollutant or pathogens form wastewaters. In regard to wastewater, a typical chemical treatment is the co-precipitation of iron and phosphorus (e.g. in activated sludge systems). Other common chemical treatments are advanced oxidation processes (e.g. ozonation) used, where pollutants are toxic to bacteria and a biological treatment is not possible. A typical drinking water chemical treatment is chlorination