nickel mining process that give tailings

Is copper-nickel mining worth the environmental risk ...- nickel mining process that give tailings ,Today’s Question: Is copper-nickel mining worth the environmental risk? ... plan that still allows the mining process to be profitable and still cover future possible problems no matter what the ...Mineral Policy Institute » RamuBackground; Ramu Nickel Management (MCC) Limited (Ramu) operates the Ramu Nickel mine in Madang Province on the north coast of PNG. The environment permits for the mine provide for the disposal of tailings through a process known as DSTP.