A simple chemical free arsenic removal method for community water supply – A case study from West Bengal, India
2009
Sen Gupta, B. | Chatterjee, S. | Rott, U. | Kauffman, H. | Bandyopadhyay, A. | DeGroot, W. | Nag, N.K. | Carbonell-Barrachina, A.A. | Mukherjee, S.
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 μg L−1. The plant produces no sludge and the operation cost is 1.0 US$ per day for producing 2000 L of potable water. This work presents the chemical free arsenic removal method from groundwater and its successful implementation in West Bengal for community water supply.
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