Shmigol I.N., Open JSC “VTI”

Dry limestone technology is based on burning of the finely crushed limestone in furnace at the temperature of 1000 ... 1100°C until lime is formed with its following reaction with sulfur dioxide. The main chemical reactions of this technology are as follows:

СаСO3 + Q —> СаО + СO2­;

СаО + SO2 + 1/2O2 = CaSO4.