Study of Zinc Sulfide Concentrates by DTA, TGA, and X-Ray Analyses and Their Roasting in Fluidized Bed Furnace

Figure 5

Content of Zn (a), Fe (b), Pb (c), SiO₂ (d), Cu (e), Cd (f), As (g), and Sb (h) in the studied zinc sulfide concentrates (1–5); their average value (6); minimum admissible concentration of Zn and maximum admissible concentration for admixture elements (7) in concentrates.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)