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Sulfur dioxide leaching tests on various western manganese ores
Formation of dithionate and sulfate in the oxidation of sulfur dioxide by manganese dioxide and air
Percolation leaching of manganese ores with sulfur dioxide
Bacterial leaching of manganese ores
Autoclave and ambient pressure leaching of Lake Superior manganiferous ores
Evaluation of the sulfatization-reduction process for recovering manganese and iron oxide pellets