Figure 6
From: High-purity recycling of hematite and Zn/Cu mixture from waste smelting slag

XRD patterns of the particles generated at hydrothermal treatment times of 0.5 h, 1 h, 2 h, and 4 h.
From: High-purity recycling of hematite and Zn/Cu mixture from waste smelting slag
XRD patterns of the particles generated at hydrothermal treatment times of 0.5 h, 1 h, 2 h, and 4 h.