Method of obtaining a coagulant product, product intended...

Details Method of obtaining a coagulant product, product intended... Method of obtaining a coagulant product, product intended...

C - Chemistry, Metallurgy

02

F

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

Patent

CA 2647410

The invention relates to a method of obtaining a coagulant product. Characteristically, a raw material is prepared which contains the sludge resulting from the treatment of drinking water and an ore containing iron and/or aluminium, this raw material being subjected to acid attack for the purpose of forming iron salts, aluminium salts or a mixture thereof. This coagulant is employed in the realization of a physicochemical step in the treatment of wastewater and/or industrial effluent.

L'invention concerne un procédé d'obtention d'un produit coagulant. De façon caractéristique, on prépare une matière première contenant de la boue résultant du traitement d'eau potable et un minerai contenant du fer et/ou de l'aluminium, cette matière première étant soumise à une attaque acide en vue de former des sels de fer, des sels d'aluminium ou de leur mélange. Application de ce coagulant lors de la réalisation d'une étape physico-chimique du traitement des eaux usées et /ou industrielles.

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