A

David

Darling

calcination

An oven for calcination of limestone.

An oven for calcination of limestone.


Calcination is a process of heating solids to high temperatures (but not to their melting point) to remove volatile substances, partially to oxidize them, or to render them friable (easily crumbled). Lead, zinc, calcium, copper, and iron ores calcine to sintered oxides, which are used as pigments or as intermediates in metal extraction.