Heap Leaching Of Gold
A method is disclosed for leaching a gold ore which is refractory due to the presence of sulphide minerals of arsenic and antimony. The ground ore is leached with cyanide in a pipe reactor at a pressure of between 5 and 8 MPa. The terminal pH value.Heap leaching is an industrial mining method to dig out precious metals and copper compounds from ore. Process of heap leaching The mined ore is crushed into tiny chunks and heaped on an impermeable plastic and or clay lined leach pad where it may be irrigated with a leach solution to melt the valuable metals.Apr 24, 2018 Heap leaching can take anything from a couple of months to several years. In the case of gold recovery, heap leaching generally requires 60 to 90 days to leach the ore, compared to the 24 hours.Gold heap leaching process is a method in which a leaching solution is sprayed with a spray leaching system to selectively leach gold in the ore and recover gold from the pregnant liquid flowing out of the heap during the infiltration process. 2020 03 27 01 03 07. 1186. 0. Different Gold Ore Processing Methods for 5 Kinds of Gold Ore .