Appearance: Usually white or light pink powder.
Density: Approximately 3.125g/cm ³.
Solubility: Insoluble in water, slightly soluble in water containing carbon dioxide, soluble in dilute inorganic acids such as hydrochloric acid, sulfuric acid, etc., while releasing carbon dioxide gas.
chemical property
Stability: Stable at room temperature and pressure, but will decompose under heating conditions, producing carbon dioxide and manganese oxide.
Redox: Manganese in manganese carbonate is+2 valent and has a certain degree of reducibility. When heated in air, it is easily oxidized to higher valence manganese oxides.
Packaging of manganese carbonate
Plastic bag packaging: Generally, inner plastic and outer woven bags are used for packaging, with plastic bags inside, which can effectively prevent manganese carbonate from coming into contact with external air, moisture, etc., and play a role in moisture and oxidation prevention. The weight of each bag is usually 25kg or 50kg, which is convenient for handling and storage.
Barrel packaging: For some manganese carbonate products that require higher packaging requirements and stricter sealing, plastic or iron barrels will be used for packaging. Plastic buckets have good corrosion resistance, while iron buckets have higher strength and can better protect products. The capacity of barrels generally varies in different specifications, such as 200L.
Product grade and raw material differences of manganese carbonate
Product level
Industrial grade: mainly used in fields such as electrolytic manganese, magnetic materials, and electronics industry. The requirement for impurity content is relatively low, generally around 40% -44% manganese content, and a certain amount of impurities such as iron, calcium, magnesium are allowed.
Battery grade: Used for producing various battery materials, such as positive electrode materials for lithium-ion batteries. The purity requirement is extremely high, with manganese content usually above 44%, and strict control of impurity content, especially the content of heavy metal impurities such as iron, zinc, and lead, must be extremely low to ensure the performance and safety of the battery.
Reagent grade: mainly used in fields such as chemical analysis and scientific research experiments. It has the highest purity, extremely low impurity content, and strict standards for various indicators. Generally, the manganese content is above 99%, and there are precise requirements for indicators such as moisture and acidity.
Differences in raw materials
Industrial grade manganese carbonate: usually made from main raw materials such as pyroxene and rhodochrosite. The main component of pyroxene ore is manganese dioxide, which needs to be converted into manganese oxide through processes such as reduction roasting, and then reacted with carbonating agents to produce manganese carbonate. The main component of rhodochrosite is manganese carbonate, but it contains a lot of impurities and requires processes such as beneficiation, leaching, and impurity removal to obtain industrial grade manganese carbonate.
Battery grade manganese carbonate: It is generally prepared from high-purity manganese sulfate solution as the main raw material, through complex decomposition reaction with carbonate solution, and then through precise processes such as impurity removal, filtration, washing, and drying.
Reagent grade manganese carbonate: usually prepared from high-purity metallic manganese or manganese compounds through a series of complex chemical reactions and purification processes. For example, high-purity electrolytic manganese metal can be reacted with dilute sulfuric acid to produce manganese sulfate, which can then be reacted with high-purity carbonate. After multiple recrystallization and ion exchange methods to remove impurities, reagent grade manganese carbonate can be obtained.
锰(Mn)含量 | 43.5%-44% | 23 |
硫酸盐(SO₄²⁻) | ≤0.5% | 35 |
氯化物(Cl⁻) | ≤0.01% | 23 |
铁(Fe) | ≤0.01% | 2 |
镉(Cd) | ≤0.0005% | 5 |
砷(As) | ≤0.0003% | 5 |
硝酸不溶物 | ≤0.05% | 5 |
Rhodochrosite: often used as the main raw material, but it contains a lot of impurities. It needs to go through processes such as beneficiation, leaching, and impurity removal to convert the manganese carbonate in it into a usable form, and then react with carbonating agents to produce manganese carbonate.
Soft manganese ore: The main component is manganese dioxide, which needs to be converted into manganese oxide through processes such as reduction roasting, and then undergoes subsequent reactions to produce manganese carbonate.
Battery grade manganese carbonate
High purity manganese sulfate solution: usually used as the main raw material, it is usually prepared by finely processing high-quality manganese ore, removing impurities, and reacting with sulfuric acid to obtain manganese sulfate solution, which is then subjected to complex decomposition reaction with carbonate solution, and then prepared through precise impurity removal, filtration, washing, drying and other processes.
Electrolytic manganese: Some parts use electrolytic manganese as raw material, dissolve electrolytic manganese, purify it, and then react with carbonate to produce battery grade manganese carbonate.
Feed grade manganese carbonate
Manganese ore: Similar to industrial grade, it is often used as a starting material, such as rhodochrosite, to obtain a manganese containing solution through processes such as beneficiation and acid leaching. Then, manganese carbonate is prepared through steps such as precipitation and filtration. However, the removal requirements for harmful impurities in the production process are stricter to meet feed safety standards.
Industrial grade manganese carbonate reprocessing: Some processes further remove impurities and refine it based on industrial grade manganese carbonate to meet feed grade standards.
Reagent grade manganese carbonate
High purity manganese metal: It can be used as a starting material to react manganese metal with dilute sulfuric acid to produce manganese sulfate, which then reacts with high-purity carbonate. After multiple recrystallization and ion exchange methods, impurities are deeply removed to obtain reagent grade manganese carbonate.
Compounds of high-purity manganese, such as high-purity manganese dioxide and manganese nitrate, are first converted into suitable manganese salt solutions through a series of chemical reactions, followed by precipitation, purification, and other operations to prepare reagent grade manganese carbonate.
As an industrialized and technologically advanced country, the United States has a large scale of animal husbandry and a high demand for feed additives. It needs to import manganese carbonate feed grade products to meet market demand.
Japan: Its aquaculture industry has a demand for high-quality feed, and requires the addition of trace elements such as manganese carbonate in feed production to improve feed quality and promote animal growth. It is an important importer of manganese carbonate feed grade.
Germany: With advanced animal husbandry and feed processing industries, it has high requirements for the quality and stability of feed grade manganese carbonate. It imports high-quality manganese carbonate from all over the world for feed production.
South Korea: South Korea's livestock and aquaculture industries are relatively developed, and there is a high demand for feed. It needs to import manganese carbonate to meet its feed production needs.
Other countries, such as the Netherlands, the United Kingdom, and other European countries, as well as Southeast Asian countries such as Indonesia and Thailand, also have a certain import demand for feed grade manganese carbonate.
Product Packaging:
The Fine Chemical Manganese Salt product is carefully packaged in sealed, moisture-resistant containers to ensure product quality and safety during storage and transportation.
Shipping:
Our company utilizes reputable shipping carriers to deliver the Fine Chemical Manganese Salt product to customers. The product is securely packed in compliance with industry standards to prevent any damage or leakage during transit.