Everything about Electrolytic Manganese Metal

Electrolytic Manganese Metal is a high-purity manganese produced through the electrolysis process, with a purity level that can reach 99.7% to 99.9%. This high-purity manganese has widespread applications in various industries, particularly in steel, non-ferrous metals, electronics, and chemicals.

Basic Information on Electrolytic Manganese Metal

Definition: Electrolytic Manganese Metal is a metallic form of manganese obtained from manganese salts extracted from manganese ores through an electrolysis process.

Chemical Properties: Electrolytic Manganese Metal is hard and brittle, with an irregular flake-like appearance. It ranges in color from silvery-white to brown. One side is smooth and shiny, while the other is rough. It oxidizes easily in air and dissolves in dilute acids, releasing hydrogen gas.

Production Process of Electrolytic Manganese Metal

Main Raw Materials: Manganese dioxide (MnO?) and manganese carbonate (MnCO?) ores.

Preparation Process: For manganese carbonate ore, sulfuric acid is used to react with manganese carbonate to produce manganese sulfate solution. The solution then undergoes neutralization, purification, and filtration to prepare the electrolyte. Additives such as selenium dioxide and ammonium sulfite are added before the solution enters the electrolysis cell for electrolysis. For manganese dioxide, the ore must be reduced to divalent manganese before reacting with sulfuric acid to produce manganese sulfate solution. This reduction can be achieved through the roasting method or the two-ore method. In the roasting method, manganese dioxide is mixed with a reducing agent (such as coal) and heated in a sealed environment to reduce tetravalent manganese to divalent manganese. In the two-ore method, manganese dioxide powder and pyrite react under the action of sulfuric acid to produce manganese sulfate.

Wastewater Treatment of Electrolytic Manganese Metal

Wastewater Volume: Producing 1 ton of electrolytic manganese consumes approximately 200 tons of fresh water, resulting in about 60 million tons of wastewater annually from a production capacity of 300,000 tons.

Main Pollutants: The wastewater contains significant amounts of suspended solids, manganese ions, and hexavalent chromium, far exceeding national discharge standards.

Treatment Measures: Implement clear and turbid water separation and recirculate cooling water to reduce wastewater volume. Improve processes to reduce the use of potassium dichromate. Recover and utilize valuable substances in the wastewater, such as MnSO?, (NH?)?SO?, and chromate-containing wastewater.

Applications of Electrolytic Manganese Metal

Main Uses: Electrolytic Manganese Metal is primarily used to enhance the hardness, strength, toughness, and corrosion resistance of alloys, with widespread applications in manganese-copper alloys and manganese-aluminum alloys.

Application Fields: Steel industry, aluminum alloy industry, magnetic materials industry, chemical industry, electronics, metallurgy, and aerospace.

Domestic Electrolytic Manganese Metal Situation

Main Production Areas: The "Manganese Triangle" region, which includes Hunan, Guizhou, and Chongqing provinces. Resource Status: Due to long-term mining, manganese resources in some areas are becoming depleted, and the ore grade is declining. However, regions like Guangxi still have abundant resources.

Production Technology: China and South Africa are the main global producers of electrolytic manganese. South African Metal Manganese Company (MMC) uses advanced production techniques to produce high-purity electrolytic manganese.

Price Influencing Factors of Electrolytic Manganese Metal

Supply and Demand: The price of electrolytic manganese is influenced by market supply and demand.

Power and Raw Material Costs: Most electrolytic manganese producers are located in southern China, where they rely on hydropower. Therefore, the power supply and production costs are significantly affected by the rainy and dry seasons.

Seasonal Changes: From April to October, when rainfall is abundant, power conditions are better, and production is more stable. In other months, due to reduced rainfall, power shortages lead to decreased production.

LSFerroalloy Electrolytic Manganese Metal

Electrolytic Manganese Metal, as a high-purity industrial raw material, has extensive applications in multiple fields. However, its production and application also face challenges related to resource conservation and environmental protection. By improving production processes and enhancing wastewater treatment, it is possible to reduce environmental pollution and achieve sustainable development effectively. LSFerroalloy is a leading producer and supplier of electrolytic manganese.

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