Multipurpose Domestic Water Filter

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Product/Process

Water filtration bucket to remove turbidity, soluble iron, manganese, fluoride impurities and bacterial contamination.


Application/Use

Domestic level potable water in the villages.


Salient Features of Process/Technology

The device comprises of a 60-150 L cap. PVC bucket fitted with a tap and a cylindrical sand filter housed in a nylon bag and perforated 150 mm PVC pipe. Raw water is filled in the bucket and treated with filter alum, bleaching power, sodium aluminate and lime. It is allowed to settle for an hour. Clean potable water is withdrawn from the outlet tap. When the filter gets clogged, nylon bag containing sand is taken out of casing, cleaned and replaced.


Minimum Economic Unit Size

60 L in a bucket


Indicative investment

Rs. 350.


Equipment and Machinery

A 60 L cap. PVC bucket fitted with outlet tap, PVC pipe, nylon bag.


Raw Materials

Raw water, sand, alum, bleaching powder, lime, sodium aluminate.


For further information please contact

The Director,
National Environmental Engineering Research Institute.