Selective Precipitation of Copper and Zinc over Iron from Acid Mine .of mine waste, the dispersion of beneficiation tailings, and the. acid mine . One abandoned copper mine located in east Japan discharges . Key Words : Acid Mine Drainage (AMD), Copper, Zinc, Neutralization, Sulﬁdization, Recovery.beneficiation of acid mine drainage japan,A Critique of Japanese Acid Mine Drainage Technology. April 1994.A CRITIQUE OF JAPANESE. ACID MINE DRAINAGE. TECHNOLOGY. MEND Report 6.3. This report results from solicitation of proposals in 1992 by the New.
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