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Manganese ore summary

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Manganese is widely distributed in nature. Almost all kinds of ores and silicate rocks contain manganese. The most common manganese ores are anhydrous and hydrous manganese oxide and manganese carbonate. 150 kinds of manganese mineral have been known, but there are only 5-6 species with the most manganese that can be formed with a large number and economic value. The most important and most economically valuable ores are pyrolusite and psilomelane. In addition, there are manganite, braunite, hausmannite, rhodochrosite, etc. The content of manganese in these minerals can be up to 50 ~ 70%. They are important industrial mineral of manganese.

Manganese ore distribution

There are 213 identified manganese ore areas in Chinese land. The maintain reserves of manganese ore are 566 million tons. Forty percent of those - 227 million tons are of A+B+C grade. Calculate with the average manganese content of 21% in the ore, the maintain reserves of manganese metal are 119 million tons. A+B+C grade takes 48 million tons. They are distributed in 21 provinces, cities and autonomous regions. Hunan and Guangxi are the most important. They separately own 215 million tons and 103 million tons, accounting for 38% and 18%. The following are Guizhou (74 million tons), Yunnan (48 million tons), Sichuan (27 million tons), Liaoning (39 million tons), Hubei (14 million tons) and Shaanxi (13 million tons). The six provinces possess total reserve of 215 million tons, accounting for 38% of total reserves.

Manganese ore processing and production process

Chunks of manganese ores are sent to jaw crusher or mobile jaw crusher station evenly through vibrating feeder for primary crushing (first break). The crushed manganese ore are screened by vibrating sieve, and then taken by the belt conveyor to single-cylinder hydraulic cone crusher for immediate crushing (second break). After that, the manganese ore materials are sent into the multi-cylinder hydraulic cone crusher for fine crushing.

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