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

Hydrometallurgy: Leaching in Heap, Vat, CIL, CIP, Merrill–Crowe, SX Solvent Extraction 2017-04-04T06:57:36+00:00
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Gold Recovery from Gold Stripper (1 reply)

Seeker
11 months ago
Seeker 11 months ago

I have stripped the gold from gold plated pins of brass with a gold stripper with the following ingredients:

  • Zinc tetracyanide
  • Meta-nitrobenzene Sulphonic acid sodium salt
  • Sodium Hydroxide

Please suggest what would be the best chemical or chemicals to precipitate elemental gold from the above mentioned gold stripper.

Thanks!

Seeker
11 months ago
Seeker 11 months ago

There was a little mistake in what I Posted. The gold stripper with which I stripped the gold from brass pins had following ingredients:

Sodium zinc tetracyanide

Potassium cyanide

m-NBSS

Sodium Hydroxide

Please suggest what are the best chemicals to recover gold from this stripper. I don’t want to use zinc dust.

Thanks!


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