Wastewater treatment

C - Chemistry – Metallurgy – 02 – F

Patent

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Details

C02F 11/02 (2006.01) C02F 3/34 (2006.01) C02F 11/14 (2006.01) C02F 1/66 (2006.01)

Patent

CA 2425426

A method for the treatment of sewage sludge which comprises the step of applying to the sludge a biologically effective amount of a composition which contains a lignosulfonate and sludge digesting microbes, preferably from the genus bacillus. The method may be practiced in sewage treatment plants and also may be used for treatment and ordour suppression on holding tanks and the like.

L'invention concerne un procédé relatif au traitement de boues d'épuration, qui consiste à appliquer aux boues une quantité biologiquement efficace de composition renfermant un lignosulfate et des microbes digérant les boues, de préférence du genre bacille. Le procédé peut être mis en oeuvre dans les stations d'épuration et on peut également l'utiliser pour le traitement et la désodorisation des réservoirs et autres installations pour les eaux usées.

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