Process for the solidification of tailings produced by the...

Details Process for the solidification of tailings produced by the... Process for the solidification of tailings produced by the...

C - Chemistry, Metallurgy

22

B

53/342

C22B 7/00 (2006.01)

Patent

CA 1162747

ABSTRACT OF THE DISCLOSURE A process for the solidification of tailings created by the processing of hard rock ore. The process comprises first adding sulphuric acid to the tailings to condition them, followed by reacting the mixture with an alkaline earth metal oxide or hydroxide to raise the pH above 10Ø After a curing period, the tailings become a rock-like physically stable material.

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