In-situ removal of arsenic from well water

Details In-situ removal of arsenic from well water In-situ removal of arsenic from well water

C - Chemistry, Metallurgy

02

F

C02F 1/62 (2006.01) B09C 1/00 (2006.01) C02F 1/28 (2006.01)

Patent

CA 2291210

An in-situ well water system is described which removes arsenic from ground water contaminated by arsenic containing soils. A reactive, adsorptive barrier, consisting of iron containing material and filter media such as soils, sand and the like is described which surrounds the screened casing of the well. The system described can be constructed manually by relatively unskilled labour and most importantly does not produce a hazardous arsenic containing waste requiring disposal. The appropriate selection of materials, the physical dimensions, adjustment of the permeability through the use of dual media, reducing nature of the well water and the water head available determine the quantity and dimensions of the barrier.

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