The Thermal Decomposition Behavior of Pyrite-Pyrrhotite Mixtures in Nitrogen Atmosphere

Figure 3

The XRD analysis results of the solid-phase products at the end temperatures of the different stages and the peak temperature of the DTG of the thermal decomposition of the ore dust samples: (a) pyrite, (b) mixed minerals (1 : 1), and (c) pyrrhotite.

(a)

(b)

(c)