Question

What Is Calcination​

Answer 1

The IUPAC defines calcination as "heating to high temperatures in air or oxygen". However, calcination is also used to mean a thermal treatment process in the absence or limited supply of air or oxygen applied to ores and other solid materials to bring about a thermal decomposition.

Answer 2

Calcination is the process of concentration of ore by converting it to respective oxide by heating the ore below its melting point in the absence of air to remove volatile impurities. Usually the sulphide ores is converted to oxide before reduction.

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