TERRACOTTA WATER FILTRATION DISC: TERAFIL

TERRACOTTA WATER FILTRATION DISC: TERAFIL
Detail:
Product: Manufacture of Terafil (terracotta water filtration disc).
Application: For filtration of turbid water from pond, lake, river etc. to get clean drinking water.
Feature: The burnt clay disc, named ‘Terafil’ can be fabricated by a village potter using red clay, sand, raw dust and the potter’s kiln. It is fitted at the bottom of a suitable domestic water pot or chamber. The raw water with turbidity up to 100 NTU is filled into the container while filtered clean water is collected at the bottom @ of 2 L/hr. The quality of filtered water meets BIS and WHO standards. The terafil disc costs about Rs. 30 and can be used upto 5 yr.
Commercialisation: Commercialised.
Economy 500 disc/day.
Investment: Rs. 4 lakh
Equipment: Usual pottery equipment and firing kiln
Raw materials: Red clay, sand, sawdust, etc.
Institute: Regional Research Laboratory, Bhubaneswar.
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