Reduction in Treatment Costs NEUTRA-MILL WATER TEATMENT SYSTEM – CASE STUDY ACID ROCK DRAINAGE – GOLD MINE, NEVADA, U.S.A. pH raised Acidity reduced Significant potential for reagent cost savings Treatment precipitates deposited in tailings dam LOCATION South-western U.S.A.. Near Carlin, Nevada (Latitude: 40°42N’, Longitude: 116° 06’W). SETTING AND CLIMATE The minesite is located in the grassy, undulating hills of north central Nevada. The area has low rainfall with precipitation occurring mainly in winter as snow. Geothermal springs are not uncommon throughout the area. The Carlin area is known for epithermal ore deposits including the large Carlin North and South mines. CLIENT Gold Mining Group, Nevada BACKGROUND Surface mining of the opencut area at this site has ceased with limited und

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