Hydrometallurgy: Leaching in Heap, Vat, CIL, CIP, Merrill–Crowe, SX Solvent Extraction

Hydrometallurgy: Leaching in Heap, Vat, CIL, CIP, Merrill–Crowe, SX Solvent Extraction

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Am operating CIP gold recovery circuit by cyanidation but concentration of free cyanide in the last ... (1 reply)

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Eng. Fwego
4 weeks ago
Eng. Fwego 4 weeks ago

Am operating CIP gold recovery circuit by cyanidation but concentration of free cyanide in the last tank is 260 which is higher than that of the first tank (210). Why is this happening?

P
hydrometallurgictest
4 weeks ago
hydrometallurgictest 4 weeks ago
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Dears, good day.

Fwego, what is the sample titration method? The gap between analyzes has a value that may have caused some interference in the titration. In the intermediate tanks, what is the cyanide concentration like? Increasing or decreasing and only in the last tank is it bigger? Have you done an inventory of the solid content in all tanks to find out if the waste from each tank is reducing the gold content? How many tanks have activated carbon?

Some answers are necessary to understand the circuit.


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