Process for the purification of water

Details Process for the purification of water Process for the purification of water

E - Fixed Constructions

21

B

166/25

E21B 43/27 (2006.01) C02F 1/64 (2006.01) E03B 3/15 (2006.01)

Patent

CA 1220130

Abstract The invention relates to a process for decreasing the contents of iron and manganese in ground water or surface water flowing through an aquifer or through a basin or a filter containing naturally occurring filter material. Water containing oxygen or oxygen-releasing substances is introduced intermittently through a number of injection wells or injection pipes (1-9) arranged around an extraction well or extraction pipe (10) for purified water. During each introduction of oxygen- containing water said water is fed to only some of said injection wells or pipes (1-9) and simultaneously water is drawn from nearby, adjacent or intervening injection wells or pipes (1-9).

453704

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