Process for making manganese

Details Process for making manganese Process for making manganese

1997-09-18

1999-08-03

Gorgos, Kathryn

Electrolysis: processes, compositions used therein, and methods

Electrolytic synthesis

Preparing single metal

205583, 205585, 205539, 205540, C25C 110, C25C 112, C25B 100

Patent

active

059320869

ABSTRACT:
Using the electrolytic process to make manganese metal, a source of manganomanganic oxide (Mn.sub.3 O.sub.4) is used in the sulfuric acid leach solution in conjunction with a reducing agent to convert the manganomanganic oxide into manganese sulfate for treatment in the electrolytic cell. Sources of manganomanganic oxide include sintered manganese ore, manganese ore having less than 7% available oxygen such as Assoman Ore, and MOR fume. Reducing agents include sulfur dioxide, activated carbon, reducing sugars and molasses.

REFERENCES:
patent: 5232490 (1993-08-01), Bender et al.

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