The most common method of removing iron from borewell water is by using oxidising media filters for iron like Manganese Greensand and or a catalysing media like BIRM.
Product Name: Iron Filter for a small house
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If the major problem in borewell water is iron, then the best solution is to go for either a Manganese Greensand or BIRM treatment of the well water.
BIRM is an efficient and economical method of removing dissolved iron and manganese compounds from raw water supplies.The physical characteristics of Birm provide an excellent filter media which is easily cleaned by backwashing to remove the precipitant. Birm is not consumed by iron removal and therefore offers a tremendous economic advantage over many other iron removal methods. Birm is not meant for removal of hydrogen sulfide or that "rotten egg" odor. A manganese green sand media, is more suited for that task.
- No chemicals to purchase for
maintenance. Regeneration not
- Iron removal efficiency is extremely high.
- Works best at PH 8 or above.
- Negligible labor cost: only periodic backwashing required.
- Durable material with a long life and wide temperature range.
Greensand is formulated from a glauconite greensand which is capable of removing iron, manganese and hydrogen sulfide from water through oxidation and filtration. Manganese and soluble iron are oxidized and precipitated by contact with higher oxides of manganese on the greensand granules. The hydrogen sulfied is eliminated by oxidation to sulfate and an insoluble precipitate. When the manganese greensand bed is saturated, it is regenerated with a weak potassium permanganate solution which is rinsed down the drain. The potassium permanganate is available locally at nearly all hardware and home improvement stores.Regenerating Manganese Greensand with potassium permanganate is not that difficult and can be done by the house owner without much difficulty.
- Iron reduction over wide pH range
- Effective reduction of hydrogen sulfide in addition to iron and/or manganese
- No harmful effects from a chlorine feed
- Low attrition for long bed life
You will need to consult an expert in water treatment to decide on the best treatment for well water with high iron content.