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Kaolin Processing Plant


Kaolin Processing Plant  Kaolin Processing Plant

As a very important non-metallic mineral, kaolin plays a very critical role in industrial using and is widely used in various industries such as ceramic, construction, paper making, filler material, painting, cosmetics as well as other applications. The concentration for kaolin

Prominer has a very close relation with the biggest kaolin end users in China. With the experienced engineers and professional technologies, Prominer is able to supply the complete kaolin concentration processing plant solution and equipment. General processing technologies are summarized as below:

Washing concentration:

Water washing concentration is commonly used to separate kaolin from impurities. First the raw ore is made to slurry and dispersing agent is added to make the slurry density 5%-14%, then impurity minerals with bigger size such as quartz, feldspar, mica as well as other big size impurities will be settling faster than kaolin. Thus, kaolin can be concentrated.


Selective flocculation flotation process is comparatively simple flotation process. First solid particles in suspension liquid should be fully dispersed, then flocculant will be added to adsorb target mineral selectively. After flocculation, flotation is adopted to separate the flocculating constituent and impurities.

kaolin processing flotation

Magnetic separation:

Mineral impurities like pyrite, hematite, limonite, ilmenite, rutile, etc. will affect the whiteness of kaolin, so after sand removal, magnetic separation should be used to separate the magnetic minerals so as to improve the whiteness of kaolin.

Since the whiteness is a very important parameter for the kaolin product, so for some industries the kaolin product will also need chemical processing to improve the whiteness.

kaolin processing plant

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