why do we treat wastewater

It happens naturally in water in soluble form as the ferrous iron (bivalent iron in dissolved type Fe2+ or Fe( OH)+) or complexed form like the ferric iron (trivalent iron: Fe3+ or precipitated as Fe( OH) 3). The incident of iron in water can also have an industrial origin; mining, iron and steel sector, metals corrosion, etc. As a whole, iron does absent a threat to human health and wellness or the atmosphere, however it brings discomfort of an aesthetic as well as organoleptic nature. Indeed, iron offers a corrosion shade to the water, which can tarnish bed linen, sanitary facilities and even food sector products. Iron additionally offers a metal taste to water, making it undesirable for usage. It could additionally be at the beginning of rust in drains drains, due to the advancement of microorganisms, the ferro-bacteries.