electromagnetic separation
Some impurities in kaolin can be selectively dissolved by leaching agents such as sulfuric acid, hydrochloric acid, nitric acid and others, and PTMS Electromagnetic Separator can remove impurities. This method is mainly used for iron reduction and purification of low-grade kaolin, such as the removal of hematite, limonite, siderite, etc. But its disadvantage is that the energy consumption is large, easy to cause environmental pollution.
PTMS magnetic separation
The impurities in kaolin are oxidized into soluble substances by bleaching, and then washed and removed. PTMS Electromagnetic Separator greatly improves the whiteness of kaolin products, such as the insoluble iron is converted into soluble iron, and removed through the washing process. However, the cost of chemical bleaching is relatively high, and it is usually used for kaolin concentrate that needs further purification after impurity removal.
what is magnetic separation method ?
By using the difference in chemical composition and reactivity between impurities and kaolin, magnetization roasting, high temperature roasting or chlorination roasting and other treatment methods, PTMS Electromagnetic Separator to remove iron impurities, carbon impurities, sulfide and other impurities in kaolin. This method can improve the chemical reactivity of roasting products, greatly increase the whiteness of kaolin, and obtain high-grade kaolin products.
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