Minerals

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2

BLAST FURNACE

Slide 13

Slide 14

Slide 15

Manganese

Manganese is mainly used in the manufacturing of steel and ferro-manganese alloy, bleaching powder, insecticides and paints.

Orissa is the largest producer of manganese ores in India accounting for one-third of the total production.

Slide 16

Ores of manganeese

Pyrolusite MnO2

Hausmannite Mn2+Mn3+2O4

Rhodochrosite MnCO3

Slide 17

Metallurgy of manganese

Dressing of ore

pulverization

Extraction

Thermite Reaction

Slide 18

Thermite reaction

Slide 19

Slide 20

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