C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/42 (2006.01) B01D 15/04 (2006.01) B01D 61/14 (2006.01) C02F 1/58 (2006.01) C02F 5/00 (2006.01)
Patent
CA 2700467
The invention provides waste water treatment processes utilizing an ion exchange resin to remove sulphate anions, while adjusting the pH of the ion exchange loading solution with carbon dioxide gas. The effect of the resin loading reactions is that dissolved sulphate is replaced with sequestered carbon dioxide gas, in the form of dissolved bicarbonate, in the treated water and the cations are not removed from the solution.
L'invention propose des procédés de traitement d'eau de déchet par utilisation d'une résine d'échange d'ions à des fins d'élimination des anions sulfate, tout en ajustant le pH de la solution de charge d'échange d'ions avec du gaz de dioxyde de carbone. L'effet des réactions de charge de résine est que le sulfate dissous est remplacé par du gaz de dioxyde de carbone piégé, sous la forme de bicarbonate dissous, dans l'eau de déchet, et que les cations ne sont pas éliminés de la solution.
Bratty Michael
Kratochvil David
Bioteq Environmental Technologies Inc.
Smart & Biggar
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