Cyanide containg TSF return water spill on soil clean up. - Hydrometallurgy: Leaching in Heap, Vat, CIL, CIP, Merrill–Crowe, SX Solvent Extraction - Metallurgist & Mineral Processing Engineer

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Cyanide containg TSF return water spill on soil clean up. (4 replies)

7 years ago

John KK 7 years ago

We had cyanide spill on the ground soil containing free cyanide of 10ppm. Could you help me what type of chemical do i have to use e.g hypochlorde..or any other chemical to kill the cyanide,excavation is impossible.

Paul Morrow

7 years ago

Paul Morrow 7 years ago

1 like by John KK

how large/volume is the spill?

John KK

7 years ago

John KK 7 years ago

Dear Paul

Estimated about 200 ltr.

Paul Morrow

7 years ago

Paul Morrow 7 years ago

If up were to "wash away" the spill with water, would you be able to recover the seepage water?

Here are 2 papers you need to read to better understand your options. It offers cyanide treatment & destruction methods similar to those used in heap leaching.

Maybe you could have a generous slightly acidic pH 6 water OR a 3-5% hydrogen peroxide spill over now.

After the pH 6 water spill, have a pH 9 water spill a few days later.

Pick your poison.

Best act according to the policies in your Country. REPORT IT

Read the PDFs and contact a specialist.

1-Cyanide-Spill-Treatment-Degradation-and-Detoxification.pdf 1-Cyanide-Spill-Management-Geochemistry-and-Detoxification-Regulations.pdf

Tassie73

7 years ago

Tassie73 7 years ago

Ferrous sulphate is often used for cyanide spills.

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