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1. A gold mill processes a pyrite/arsenopyrite ore containing gold and silver at a rate of 1650 tons/day (wet weight). During grinding, a jig and
1. A gold mill processes a pyrite/arsenopyrite ore containing gold and silver at a rate of 1650 tons/day (wet weight). During grinding, a jig and a shaking table are used to recover coarse free gold within the grinding circuit. The gravity concentrate assays 255000ppm of gold and 23500 ppon of silver (on a dry weight to weight bacis). It typically weighs about 20kg day. The main ground product from the grinding circuit is fed to a flotation circuit which produces a flotation concentrate of 120g ton of gold and 879g ton of ailver leaving behind a tailing material that assays 1.2g ton of gold and 15.7g ton of silver. This concentrate is dewatered by thickening. fittering, and drying to yield a product for shipping that contains 5.4% water and weighing 105 tonsiday. Draw a flowsheet for the process to include all units and feed products
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