Definition and properties of electrolytic manganese
Electrolytic manganese refers to the simple metal which is obtained from manganese ore by acid leaching and then sent to electrolytic cell for electrolytic precipitation. The appearance is like iron, irregular flake, hard and brittle, one side is bright, the other side is rough, silvery white to brown, and it is silvery gray after being processed into powder. It is easily oxidized in air, dissolves and replaces hydrogen when it meets dilute acid, and decomposes water and releases hydrogen when it is slightly higher than room temperature.
Main uses of electrolytic manganese
Manufacturing steel alloy: electrolytic manganese plays a role in increasing hardness, corrosion resistance and wear resistance in the production of stainless steel and alloy steel.
Chemical products: used to produce chemical products such as zinc manganate and sodium manganate.
Battery and electrolyte: used in battery and electrolyte to conduct current and store energy.
Environmental protection: It plays an important role in air purification and water treatment, helping to remove iron and manganese from water and purify drinking water.
Other fields: in the medical field, it is used to make drugs and additives to prevent and treat diseases such as osteoporosis and anemia; As an essential element for plant growth in agriculture; Used as additives and catalysts in welding materials.
manufacturing technique of electrolytic manganese
The production process of electrolytic manganese mainly includes the following steps:
Manganese ore treatment: manganese ore is leached by acid to obtain manganese salt.
Electrolysis in electrolyzer: manganese salt is sent to electrolyzer to electrolyze and separate out simple metal.
Use of additives: additives such as selenium dioxide and ammonium sulfite are added during electrolysis.
Treatment of manganese carbonate and manganese dioxide ore: manganese carbonate ore is prepared into manganese sulfate solution through the combination reaction of sulfuric acid and manganese carbonate, while manganese dioxide ore needs to be treated by roasting before electrolysis.
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