Kaolin, calcination and washing what is the difference between the best, you can talk about it in detail,
Calcination is through high temperature burning, the role is to kaolin crystal water and organic compounds burned, and improve whiteness and purification
The difference between the two is that the calcination can not be more sand out of raw ore, wash water can be
Washing is the sand in the raw ore and impurities through the role of panning purification, usually three of the original ore oxidation, two aluminum content is very low, about 17-25%, if the amount of aluminum is too low, can not wash out the purity of kaolin, it is not worth washing
