We Ion Water Machineries most trusted name in manufacturer and pof iron removal plants and filters for domestic and industrial uses. Can prove harmful since it can pose problems related to the industrial design, cost and operation. The presence of excessive iron can cause the discoloration of water, laundry and plumbing fixtures. So from where do, these iron particles came in water? small amount of iron are found in water due to the large amount of iron present in the soil, water from the tap is usually either color less or transparent. Hoe ever when it comes in contact with oxygen it becomes of reddish=brown particles called rust. Mostly the working principal of removing iron content from the water is the oxidization of iron. In this process irons ferrous or dissolved (soluble) state is converted to a ferric or undissolved form. After that when the conversion takes place the ferric form of iron precipitates on the filter bed. during the back washing it is cleaned from the filter bed. Capacity 50 to 50000 gallon per hour and above.