gravity concentrating machines for gold ore
Sulphide Gold Gekko PreConcentration. Sulphide Gold Recovery. Preconcentration of coarse 350 500 micron sulphideassociated gold ore, using the InLine Pressure Jig, is required to reject gangue from the high value IPJ, a classic preconcentration device, is effective in gangue rejection prior to further processing of valuable goldbearing material..