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Base metal in Gold Cyanidation Tailing (4 replies and 1 comment)
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Hi all,
How to remove or precipitate base metal such Cu, Zn, Fe in solution tailings of cyanide destruction by INCO process. The regulation limit 2 ppm and the actual residual about 15 ppm. The head about 20ppm.
Our process running with pH 10-11.
Thank you for any advice