Topic summary
Rotary kiln
A rotary kiln is a pyroprocessing device used to raise materials to a high temperature (calcination) in a continuous process. Materials produced using rotary kilns include:
- Cement
- Lime
- Refractories
- Metakaolin
- Titanium dioxide
- Alumina
- Vermiculite
- Iron ore pellets
- Incineration of biomedical waste
- process like pyrolysis {with without passing hot gases}
They are also used for roasting a wide variety of sulfideores prior to metal extraction.