Bacterial Leaching of Manganese Ores |
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6.0 with sulfuric 9.5 percent manganese ability to leach agar slants--Growth abundant Aroostook bacterial action bacterial leaching Based on heads beaker Boulder City material Bureau of Mines byproduct from paper capable of leaching Charleston Hill controlled at 5.0 Cuyuna Discard molasses E. C. Perkins extraction of manganese Fe SiO2 filter paper Frank Novielli Glucose ground to minus ignition at 1,000 laboratory leach manga leaching bacteria leaching bacterial culture leaching manganese LEACHING OF MANGANESE lignin sulfonate liter manganese loss on ignition manganese extraction ranged manganese was precipitated manganiferous materials material containing maximum extraction microorganisms milliliter minus 65-mesh mixed bacterial cultures Mn Heads Mn tails numbers in parentheses Nutrient agar Pct Mn percent manganese extracted Perkins and Frank pH was controlled pregnant solutions presence of sulfide pure cultures ranged from 71.7 samples slurry Solids in discarded stock manganese sucrose sulfide minerals sulfuric acid Three Kids material U. S. Dept