Patent ID: 8852339
Filing Date: 2014-10-07
Classification: C04B,Y02P

Abstract:
1. A process for producing a clinker comprising 40 to 75% of belite, % by mass relative to the total mass of clinker, said process comprising: (i) introducing a raw meal into a calcination chamber of a cement plant kiln; (ii) calcining the raw meal at a temperature of from 1150° C. to 1375° C.; (iii) measuring a weight per liter of the product of step (ii) and eliminating the product having a weight per liter strictly less than 650 g/liter; (iv) measuring a quantity of SO (v) measuring a quantity of free lime (CaOl) in the product of step (ii) and eliminating the product having a quantity of free lime strictly greater than 1.5%, percentage by mass of free lime in the product of step (ii).