Figure 7
From: Mechanism study on the sulfidation of ZnO with sulfur and iron oxide at high temperature
SEM images and optical micrograph of the samples roasted with 60% sulfur and 8% carbon at 1100 °C: (a) without additive (for lump), (b) without additive (for powder), (c) with 50% Fe2O3 (for lump), and (d) with 50% Fe2O3 (for powder).
