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Pakistan Journal of Biological Sciences
Year: 1999  |  Volume: 2  |  Issue: 4  |  Page No.: 1415 - 1418

Low-cost Sand Filter For Domestic and Stockwater Use

Jehan Zeb, M.Aslam, Shahid Ahmad and Aamir Kabir    

Abstract: In this study a low-cost sand filter was, developed at WRRI-NARC, linked with hand pump and tested for its performance. In the process 1 m3 of stock (Lawrancepur) sand was standardized in terms of water retention, pumpable water and sediment removal. 1 m3 of sand was found to hold 353 litres of sediment-free water, 82 percent of which (290 lit) was pumpable. The filter was found quite effective for the removal of sediments and removed 100 percent sediments from an influent sediment concentration of about 14 gm/lit. The filter provided 1282 litres of clean water in five runs and infiltration rate was reduced to 18 percent of the initial at the end. The technology was found cost-effective and appropriate for domestic and stockwater use of rural communities where the need for clean water is even more.

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