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Xiamen University develops chemical iron removal and whitening technology to improve the value of kaolin

Xiamen University develops chemical iron removal and whitening technology to improve the value of kaolin

August 8, 2008

[China paint information] the comprehensive process of chemical iron removal and whitening technology and physical flotation technology developed by the school of materials, Xiamen University, The supply of raw materials keeps up with the traditional secondary kaolinite ore or kaolinite ore with high iron content. Through classification treatment and chemical bleaching technology, it can meet the whitening requirements of the ceramic industry, so as to improve the added value of products. This technology has been applied to the industrial production of kaolin

kaolin is an important mineral resource. According to its different uses, the whiteness of kaolin has different requirements. Kaolin often contains some pigment ions, which affect its natural whiteness and firing whiteness. Conventional physical magnetism is often used in industry "Unless the government has specific measures and policies to choose methods, although some variegated minerals can be removed, it is difficult to work because of the different distribution states of pigment ions in minerals. This new technology can overcome the shortcomings of the relatively high cost of traditional chemical bleaching method, and greatly reduce the impurity iron content in kaolin.

it is understood that this technology has been successfully applied to many kaolin mines in Fujian Province, and has achieved significant results. With the increase of industry 4.0 The 1035 plan for upgrading to national strategy and new materials is gradually coming to fruition

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