Treatment of water

Details Treatment of water Treatment of water

C - Chemistry, Metallurgy

02

F

C02F 3/30 (2006.01) C02F 3/00 (2006.01) C02F 3/34 (2006.01)

Patent

CA 2486442

A process for treating sulphide-containing water includes maintaining a steep redox potential gradient in an interface zone of the sulphide-containing water. The water is exposed to an oxygen-containing environment, and the interface zone is located immediately below the surface of the water. Sulphide in the water is biologically oxidized, in the interface zone, to sulphur. The sulphur may be removed by settling, thereby achieving a final removal of sulphur compounds.

Ce procédé de traitement d'une eau contenant des matériaux sulfurés, consiste à maintenir un gradient à forte pente de potentiel d'oxydoréduction dans une zone d'interface d'une eau contenant des matériaux sulfurés. L'eau est soumise aux effets d'un environnement contenant de l'oxygène, la zone d'interface se trouvant juste au-dessous de la surface de l'eau. Les matériaux sulfurés présents dans l'eau sont oxydés par voie biologique pour être transformés en soufre. Il est alors possible d'extraire ce soufre par décantation, ce qui permet d'extraire totalement les composés sulfurés.

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