1668 XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3
Figure 3. SEM micrograph and point analysis of (a) as-supplied EAFD, (b) CaO-treated EAFD (CaO treatment: 5 hours at
1100°C in air, Ca:Fe molar aratio =1.3), and (c) calcined leachs residue (Calcination: 4 hours at 500°C in air) by EDS
Figure 4. Zinc, calcium, and iron leaching efficiencies from CaO-treated EAFD at (a) 25°C, (b) 50°C, and (c) 70°C using 2M
NaOH, 2M KOH, and 2M LiOH alkaline solutions at an S:L ratio of 1:300 (mg:ml)
Figure 3. SEM micrograph and point analysis of (a) as-supplied EAFD, (b) CaO-treated EAFD (CaO treatment: 5 hours at
1100°C in air, Ca:Fe molar aratio =1.3), and (c) calcined leachs residue (Calcination: 4 hours at 500°C in air) by EDS
Figure 4. Zinc, calcium, and iron leaching efficiencies from CaO-treated EAFD at (a) 25°C, (b) 50°C, and (c) 70°C using 2M
NaOH, 2M KOH, and 2M LiOH alkaline solutions at an S:L ratio of 1:300 (mg:ml)