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A simple chemical free arsenic removal method for community water supply - A case study from West Bengal, India |
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| Authors: | B Sen Gupta S Chatterjee H Kauffman W DeGroot |
| Institution: | a School of Civil Engineering, Queen's University Belfast, Stranmillis Road, David Keir Building, Belfast BT9 5AG, UK b ISWA, Stuttgart University, 70569 Stuttgart, Germany c National Metallurgical Laboratory, Jamshedpur 831007, India d CML, Leiden University, 2300 Leiden, The Netherlands e IEMS, 26- J Road, Jamshedpur 831001, India f Miguel Hernandez University, 03312 Orihuela, Alicante, Spain g RKVM Institute of Advanced Studies, 3 B.T. Road, Kolkata 700058, India |
| 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 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. |
| Keywords: | Arsenic West Bengal Chemical free treatment Community water supply |
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