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Published on: June 28, 2019
A simple chemical free arsenic removal method for community water supply--a case study from West Bengal, India
B Sen Gupta1, S Chatterjee, U Rott
1School of Civil Engineering, Queen's University Belfast, Stranmillis Road, David Keir Building, Belfast BT9 5AG, UK. B.Sengupta@qub.ac.uk
Abstract:
This report describes a simple chemical free method that was successfully used by a team of European and Indian scientists (www.qub.ac.uk/tipot) to remove arsenic (As) from groundwater in a village in West Bengal, India. Six such plants are now in operation and are being used to supply water to the local population (www.insituarsenic.org). The study was conducted in Kasimpore, a village in North 24 Parganas District, approximately 25 km from Kolkata. In all cases, total As in treated water was less than the WHO guideline value of 10 microg L(-1). The plant produces no sludge and the operation cost is 1.0 US$ per day for producing 2000 L of potable water.
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