On 2 December 2013, HRR asx announcement, if this helps?
Thanks.
The results for saprolite ore confirmed 94-97% nickel recovery with net
acid consumption of 350kg/t after 50% acid recovery, which is an
excellent outcome for nickel saprolite.
This in turn is expected to result in a target net acid consumption of 200-250 kg/t for all KNP ore sources, equivalent to a recycling recovery for the acid of 65-70%.
Heron’s Managing Director, Ian Buchhorn, said “the initial testwork undertaken by Simulus is highly encouraging and provides an excellent basis for continuing to progress the application of the technology to the KNP. Understanding the potential cost savings on a commercial scale is the next task, which will provide an indication of just how much of a
game changer this flowsheet could be for the KNP economics. Hence we have commissioned Simulus to complete a Scoping Study”.
Largest cobalt resource with lowest valuation, page-235
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