Rotary Furnace Applications There is a range of heat treatments that can be performed in a rotary furnace, including oxidation, to reduce the number of electrons in a sample. Calcination is a popular application of rotary furnaces, which is the process of inducing thermal decomposition. Rotary Carbonization Furnace from Thermcraft Thermcraft have been manufacturing industrial furnaces since 1971. We have a range of quick-ship furnaces and can also build custom solutions. ...