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Domestic electrolytic manganese situation

Views: 0     Author: Site Editor     Publish Time: 2023-11-11      Origin: Site

   The purity of electrolytic manganese is very high, its role is to increase the hardness of the metal material, the most widely used manganese copper alloy, manganese aluminum alloy, manganese in these alloys can improve the strength, toughness, wear resistance and corrosion resistance of the alloy.

   Electrolytic manganese metal production technology status, electrolytic metal manganese (hereinafter referred to as: electrolytic manganese) production enterprises are mainly concentrated in China and South Africa. South African Manganese Metal company (MMC) production scale of 43,000 t / a, with high quality soft manganese ore as raw material,Using reducing roasting H2SO4 leaching oxidation and iron sulfide precipitation and heavy metal electrolysis process, Mn 99.9% selenium-free high purity electrolytic manganese was produced.

   In China's electrolytic manganese industry, the manganese triangle at the border of Hunan, Guizhou and Chongqing is a serious concentration,

Due to the early development and rapid development, the supply of manganese ore in Xiushan and Songtao has been tight, plus the local government repeated collection of resource compensation fees, the county to charge dozens of yuan / ton, the ore price accounts for 1 / 3 of the cost of electrolytic manganese. In the mines in Chongqing, Songtao and Xiangxi, there are the phenomenon of indiscriminate mining and digging. The reserves of tens of thousands of tons are only half, and the resource recovery rate is very low, only about 50%. The mining rich and poor is serious, and the ore grade has decreased from 19% to 16%. But Guangxi is rich in ore supply, with Daxin having reserves of 100 million tons, enough to use for decades.

    As the world's largest producer, consumer and exporter of electrolytic manganese, China has developed very rapidly in recent years. But due to the electrolytic manganese industry belongs to high energy consumption, heavy pollution industry, as China "double carbon" target, our environmental protection policy trend more and more strict, in this background, industry to speed up the pace of industrial upgrading, constantly eliminate backward production capacity, strict new capacity, make industry production decline, in the second half of 2021 the state intensify "double control", electrolytic manganese production in Guangxi, Guizhou, Yunnan and other places of power shortage, output is further decline. In 2022, due to the continuous weakening of the price of electrolytic manganese, the electrolytic manganese enterprises began to jointly reduce production from the third quarter to stabilize the price, and the output of electrolytic manganese declined again.From the perspective of import and export trade, China's electrolytic manganese is mainly exported. Affected by the decline of domestic production capacity, the overall export volume of China's electrolytic manganese fluctuates and decreases in recent years.

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