C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 1/00 (2006.01) A62D 3/36 (2007.01)
Patent
CA 2633811
A method for processing ore using carbonates so as to minimize the production of acidic wastes. The method includes adding the carbonates to the ore and after the carbonates have been added to the ore, substantially jointly grinding the ore and the carbonates to produce a treated ore mixture. Substantially jointly grinding the ore and the carbonates substantially mixes and homogenizes the ore and the carbonates so that acids subsequently created within the treated ore mixture are substantially neutralized within the treated ore mixture by the carbonates.
L'invention concerne un procédé de traitement de minerai qui fait intervenir des carbonates afin de minimiser la production de déchets acides. Le procédé de l'invention consiste à ajouter les carbonates au minerai puis à broyer sensiblement le minerai et les carbonates afin d'obtenir un mélange de minerai traité. Le broyage du minerai et des carbonates permet de mélanger et d'homogénéiser ces derniers de façon que les acides créés dans le mélange de minerai traité soient sensiblement neutralisés dans ledit mélange par les carbonates.
Fiset Gilles
St-Jean Edmond
Fiset Gilles
St-Jean Edmond
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