2009

Penttilä, Karri; Yokota, Morihisa

The rotary kiln remains in active use in several industries. The rotary kiln provides an efficient means for both heat and mass transfer in the processing of slurries and other condensed mixtures of particles. Pigment and cement manufacturing industries among others are using rotary drums for the thermal treatments of various materials. In the chemical recovery of kraft pulping rotary drums are applied for lime recycling. Other uses include manufacture of oxides (aluminium, zinc, lead), reduction of ores and waste incineration.