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 Clean potable water is withdrawn from the outlet tap.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.