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Question

How calcination proceeds in limited amount of oxygen supply ? What if the supply of oxygen is completely exhausted ?

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Solution

Calcination is the process in which the ore is heated below its melting point, either in the absence or in a limited supply of air, in an aim to drive off volatile expunges, moisture, water of hydrates and organic matter from the ore.


The oxygen is limited by limited supply of air

If oxygen is completely exhausted no further combustion takes place

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