Blaine’s fineness, cm2/gm 4850 4094 8028 - Chemical composition (% wt.) Ferric oxide, Fe2O3 % 3.44 1.168 95.430 0.795 Calcium oxide, CaO % 61.46 11.940 0.646 1.436 Silicon dioxide, SiO2 % 19.53 72.71 4.027 93.29 Potassium oxide, SO3 % 2.25 0.323 0.837 0.851 Alkalies (K2O + Na2O) ...
Materials Silicomanganese slag was obtained from Mianxian Steel Company, Hanzhong, China, and was ground to a Blaine specific surface area of 532 m2·kg−1 and a density of 2.78 g·cm−3. The chemical composition was shown in Table 1. A chemical activator, NaOH (A.P.), was ...