Browse TRAIL Inventories

Caustic leaching of manganese flotation concentrate from Artillery Peak, Ariz.

Metallurgical studies of rhodonite ores, Silverton district, Colorado :(In three parts).

Extraction of manganese from Georgia umber ore by a sulfuric acid-ferrous sulfate process (in two parts).

An Evaluation of an ammonium sulfate leaching process for recovering manganese from Minnesota and Maine resources

Autoclave and ambient pressure leaching of Lake Superior manganiferous ores

Extraction of manganese from Georgia umber ores by a sulfuric acid-ferrous sulfate process (in two parts).

Evaluation of the sulfatization-reduction process for recovering manganese and iron oxide pellets


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