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OCT 08 2012

Manganese ore

Casting

Manganese ore is widely distributed in nature, and in almost all kinds of ores and silicate rocks containing manganese. Anhydrous and hydrous manganese oxide and manganese carbonate manganese is the most common, and 150 species are now known manganese mineral, manganese highest mass enriched in the formation of the economic value of the manganese mineral But 5-6 kinds, including most important, the most economic value is the pyrolusite and psilomelane addition manganite braunite black manganese, rhodochrosite, etc.. These minerals manganese content of up to about 50 to 70%, is an important industrial mineral manganese.

In Metallurgical Industry
Manganese is an indispensable raw material for the steel industry. Manganese is a strong reducing agent, and it can absorb all of the oxygen from the molten steel, the steel is no iron oxide become nonporous ingot. Secondly, Mn is also an excellent dethia agent, it can remove all of the sulfur in the molten steel, the mechanical properties of the steel such as ductility, malleability, toughness, and abrasion resistance ability can be greatly increased by adding a small amount of manganese in the steel. Manganese, ferromanganese and manganese, and copper, aluminum, nickel, cobalt, etc. made of various alloys and the manganese compound a great industrial uses.
1, in ferrous metallurgy
Standard ferromanganese smelting iron superior grade manganese ore. Ferromanganese additional material for the production of special steel smelting can also be a small amount of silicon manganese. Silicon manganese smelting certain varieties of steel is useful;
2, in nonferrous metallurgy
The manganese and copper alloy can be manufactured preservative metal receptacle. Manganese bronze alloy for ship equipment. Manganese aluminum alloy in the aviation industry, there are a lot of uses. The manganin manufacturing standard resistance wire.
In the chemical industry
The manganese dioxide (pyrolusite) in the manufacture of batteries can be used as a negative agent, in the chemical industry in the manufacture of paint driers. Manufacturing decorative black glass and decorative tiles and pottery glazed color. Also can be used for a variety of manganese compounds, such as manganese sulfate, manganese chloride, potassium permanganate, and so on.