Process for producing manganese dioxide

Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing

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423419R, 423 50, C01G 4500, C01G 4502, C01B 3124

Patent

active

044029314

ABSTRACT:
Manganese dioxide having high bulk density, high tap density and high activity for use in batteries can be obtained by decomposing an aqueous solution of ammonia complex of manganese at a temperature of 68.degree. C. or higher than roasting the resulting manganese carbonate in an atmosphere of oxygen and 15-85% of steam at a temperature of 275.degree. to 375.degree. C.

REFERENCES:
patent: 2608463 (1952-08-01), Dean
patent: 2739914 (1956-03-01), Babbit et al.
patent: 3011867 (1961-12-01), Welsh

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