Friday, January 25, 2008 9:47:19 PM
First step:
2Au + H2O + 1/2O2 + 4KCN ----> 2K[Au(CN)2] + 2KOH
Second step:
2K[Au(CN)2] + ZN ----> K2[Zn(CN)4] + 2Au
and ready is our gold!
Very simple chemical process, but you have to take care about environmental pollution.
BTW: We have 55% FE in the tailings. With magnetic seperation of FE we could concentrate AU up to 2.2 g/t - realistic should be 1.4g/t to 1.8 g/t.
Could be done! It depends on AURC to do it!!
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