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In-situ Removal of Arsenic - Experiences of DPHE-Danida Pilot Project

Two well-known methods of iron removal were tried to see their effectiveness in removing arsenic. One of these was in-situ sedimentation and the other was conventional iron removal technique. The analysis of the preliminary results revealed that both the methods are capable of bringing down arsenic level to Bangladesh standard when the raw water concentration is of the order of 0.1mg/l. The higher values could however, be reduced to halves of their originals. The former contamination level accounts for 50% of the total contaminated tubewells in most of the arsenic problem area. The promotion of these methods can bring a good range of coverage in arsenic mitigation in the country. The methods being chemical free are likely to be well accepted by the people. The methods may, however, be further improved for wider range of effectiveness and need to be field-tested for acceptability by the target group before mass scale promotion.

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Author Sarkar, Anisur
Last Updated April 29, 2014, 23:55 (EST)
Created April 29, 2014, 23:54 (EST)
Citation Stanley Mordensky, In-situ Removal of Arsenic - Experiences of DPHE-Danida Pilot Project, 2014-04-29,
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