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The surface of kaolin powder was treated with PTMS magnetic separator to change its physical and chemical properties
published date: 2023/5/11

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Modification is one of the most important deep processing techniques of non-metallic ore. Due to the differences in mineral formation conditions and mining and processing methods of kaolin, its physical and chemical properties are very different, which makes its application scope limited. Therefore, the research and development of different modification methods for PTMS magnetic separator is an important means to expand the application range and effect of kaolin. The modification methods of kaolin mainly include acid-base modification, surface modification and intercalation modification.

PTMS magnetic separation

 
Acid-base modification is mainly aimed at calcined kaolin. According to the different chemical environment during phase transition of Al and Si, kaolin is calcined and activated at a certain temperature so that Al and Si can react with acid or base to achieve the purpose of changing the acidity, pore size and specific surface area of PTMS magnetic separator.

what is magnetic separation method?

 
Surface modification is the use of physical, chemical and mechanical methods for the surface of kaolin powder PTMS magnetic separator treatment to change the physical and chemical properties of the surface, can effectively improve the whiteness, brightness, surface chemical activity and polymer compatibility. Intercalation modification mainly refers to directly or indirectly inserting some organic molecules into the layers of kaolinite without damaging the original layered structure of kaolinite.
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