Lecture 21 Matte smelting: Materials balance Contents: 1 2 3 1
Slag consists of SiO 6,Al 6O 7,CaO and FeO, since all Fedoes not enter into matte. One can find weight of each component kg. 2 % % 6 6 7 6 94% CaCO and 6%SiO is one‐fifth of the weight of the ore. The coke is 12% of the ore and 6 6 7 6. During smelting 25% of the rged is ed as SO 6.