The invention relates to a method for the recovery of gold in connection with {HEAD ~ the hydrometallurgical production} of copper from a residue or {TAIL ~ intermediate product} containing sulphur and iron generated in the leaching of copper raw material 
from
The invention relates to a method for the recovery of gold in connection with { HEAD ~ the hydrometallurgical production } of copper from a residue or { TAIL ~ intermediate product } containing sulphur and iron generated in the leaching of copper raw material
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH