We, ION Water Machineries, one of the Pioneer in the field of water treatment in West Bengal, Kolkata since 1967. We are manufacturer and supplier of various water treatment equipment such as Iron Removal Plant.Raw water generally contain soluble iron in form of ferrous bicarbonate and insoluble as ferric hydroxide. Water containing ferrous bicarbonate is clear when drawn from a tube well, but as soon as it comes in contact with air develops a whitish haze which no longer standing turns yellowish and then forms yellowish to reddish-brown deposits of hydrated ferric oxide. Some of this deposit sticks to the side of the container and rest sinks to the bottom . Oxidation of ferrous bicarbonate is usually accomplished by the dissolved oxygen introduce into the water by duration accomplished by the dissolved oxygen introduce into the water by aeration.