Figure 2

Equilibrium phase diagrams of ZnO (2 kmol) reacted with: (a) 2 kmol FeS2 at different temperatures, (b) 2 kmol FeS2 and 1 kmol carbon at different temperatures, (c) different FeS2 amount at 1000 °C, (d) different FeS2 amount and 1 kmol carbon at 1000 °C, (e) different FeS amount at 1000 °C, (f) 2 kmol FeS and different carbon amount at 1000 °C.