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

Table 1

Summary of the laser particle size analysis results of the ore dust samples.

Sample type	D90/μm	D50/μm	D10/μm	S/V (specific surface area)/(cm^2 cm^−3)	<10 μm/%	10–45 μm/%	45–100 μm/%	100–200 μm/%
Pyrite	91.94	29.04	3.551	5958.29	23.37	40.61	28.52	7.31
Mixed minerals (1 : 1)	79.47	24.11	2.880	6854.01	27.48	46.38	23.02	3.12
Pyrrhotite	80.32	28.04	3.412	6200.91	24.86	42.76	27.32	5.06