Efficient and reliable handling of GBFS and GGBFS at grinding .
WEBMar 3, 2008 · Grinding slag for cement replacement requires only about 25% of the energy needed to manufacture normal Portland cement. ... in line with the general objectives of the Cement Sustainability Initiative. ... other materials such as flue gas desulphurised gypsum (FGD), often known as synthetic gypsum, is widely used in cement and other industries ...