Process for dye removal

Details Process for dye removal Process for dye removal

C - Chemistry, Metallurgy

02

F

C02F 1/52 (2006.01) C02F 1/56 (2006.01) C02F 1/66 (2006.01) C02F 1/70 (2006.01)

Patent

CA 2191825

A process for dye removal from effluent is disclosed which includes treating the effluent with a reducing agent, adjusting the pH to a selected value in the range of 2 - 7, treating the effluent with a particular charge neutralization mixture, adjusting the pH a second time and subjecting the mixture to a flocculating process with selected chemicals.

rocédé d'élimination d'un colorant d'un effluent consistant à traiter l'effluent avec un agent réducteur, à ajuster le pH à une certaine valeur de l'ordre de 2 à 7, à traiter l'effluent avec un certain mélange destiné à neutraliser les charges, à ajuster le pH une deuxième fois et à soumettre le mélange à un procédé de floculation au moyen de certaines substances chimiques.

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