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Effect of lime addition on percolation flow rate through silver ore
Closeup of agglomerated ore charge
50-pound charges 9 wt-pct activated carbon adsorption aged or cured agglomerated feed alkalinity during cyanidation amount of lime amounts of clays baseline data biotite Bureau of Mines burnt lime calcium carbon dioxide clayey gold conducted crushed to 3/8 cyanide leach solution effect employed enhance the percolation ENHANCING PERCOLATION RATES extraction feed material feldspars flocculants flow of leach freshly prepared agglomerated gal/hr/ft of cross-sectional gold and silver gold ore crushed gold recovery heap leach cyanidation increased the percolation leach column LEACHING OF GOLD-SILVER LIME ADDITION minerals Minus 1/4 inch minus 100-mesh fines minus 20-mesh tailings mixture moisten Numbers obtained particle agglomeration pretreatment particle segregation pelletizer percolation flow rate permeability pet moisture poor percolation characteristics porous portland cement pounds of lime process development unit RATES IN HEAP reagent Report of Investigations shown in figure silicate silver mill tailings silver values simulated heap leaching slimes tests various amounts vat leaching wetting wt-pct water