Removal of pollutants from effluents with electrochemical...

Details Removal of pollutants from effluents with electrochemical... Removal of pollutants from effluents with electrochemical...

C - Chemistry, Metallurgy

02

F

C02F 1/46 (2006.01) C02F 1/463 (2006.01) C02F 1/58 (2006.01)

Patent

CA 2309091

A method of treating an effluent such as acid mine drainage (26) wherein the pH of the effluent is increased by dissolving metallic ions e.g. of zinc (14) into the effluent, and the metallic ions are allowed to react with contaminants, such as sulphates or phosphates in the effluent, to form a metal-contaminant complex (36) which is then precipitated from the effluent.

Procédé servant à traiter des effluents, tels qu'un drainage minier acide (26), ce qui consiste à augmenter le pH de l'effluent par dissolution d'ions métalliques, par exemple, de zinc (14), dans l'effluent, suivie par la réaction des ions métalliques avec des contaminants, tels que des sulfates ou des phosphates contenus dans les effluents, de manière à obtenir un complexe (36) constitué par des contaminants et des métaux qui est ensuite précipité hors des effluents.

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