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  Activated Iron Filter
Activated Iron Filter

Activated Iron Filter (AIF) uses oxidation and filtration to reduce iron, manganese and hydrogen sulphide from water. It is formulated from glauconite greensand and is effectively used to remove the traces of iron from the water and provides pure water. Water Treatment is done using the following procedures:

On contact with higher oxides of manganese on the greensand granules, the soluble iron and manganese are oxidized and precipitated

The hydrogen sulphide gets reduced by oxidation to an insoluble sulphur precipitate

Precipitates are thereafter filtered and removed by back-washing

When the oxidizing capacity power of the Manganese Greensand bed gets exhausted, then it has to be regenerated by using weak potassium permanganate (KMnO4) solution, which helps in restoring the oxidizing capacity of the bed

 
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