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Metallurgical Testing

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STATIC DIFFUSION TESTING

Static Diffusion

Typically, static diffusion testing (VAT) leach testing is employed earlier in the design phase of a new or upcoming ore body in order to optimize a crush size and NPV for a heap leach facility. Gold/silver recovery and leach kinetics are projected by alteration type to determine an optimal crush size balanced by operating expenditures and anticipated mine plan. An example of the fraction extraction curves used to develop gold/silver recovery parameters is shown below. Once developed, the recovery parameters are an integral part of a dynamic model used to project the recovery of gold/silver through time at various sizes, leach cycles, stacking conditions to provide an optimized operating scenario.

Forte Analytical Fraction Extraction Gra
VAT Leaching crush size optimization hea
VAT LEACH Gold ore in VAT leach at metal
VAT Leach Testing Forte Analytical Metal

Fraction Extraction Model

VAT LEACH
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