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Re: None

Friday, 11/02/2018 5:53:36 PM

Friday, November 02, 2018 5:53:36 PM

Post# of 2842
"Conclusions

All three laboratory-scale hydrometallurgical recovery methods tested under this project performed well, showing promising results varying from 82.9% to 97.6% and justifying further testing at bench scale and pilot scale levels. Across the three recovery methods the overall recovery was 0.2088 opt with 92.171% recovery percentage and this does not include the platinum metal group. Comparing these figures to the previously reported numbers in the 43-101 reported by Dr. Clyde Smith shows a significant increase in the recovered material. This increase can be attributed to the pre-treatment of the head ore via the fine grinding, isolating the precious metals, and removing the magnetic material. With the further testing to be performed at larger scale, other factors like the processing costs, plant costs, environmental costs, etc. for each of these methods will be determined and comparisons of their ROI (return on investment) will be detailed."