ABSTRACT
Calcination was discussed in Section 12.2, “Raw Materials.” It was required for some ceramics to be obtained in the desired compound. For example, in the preparation of alumina, it was mentioned that aluminum hydroxide was calcined to get the alumina. Calcination is the process of heating in the absence of any atmosphere. This heating decomposes the compound into a solid and a gas or vapor. In the case of aluminum hydroxide, it decomposes into aluminum oxide and water vapor.
