244 XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3
(a) Amphibolite (b) Gneiss
Figure 18. Micrographs from selected samples of scheelite ore. (a) Amphibolite and (b) Gneiss. The scheelite phase is found
preferably in these phases (Source: Popov: TUBAF-IART)
0 1 2 3 4 5 6 7 8
0
10
20
30
40
50
60
70
80
90
100
x, mm
Raw Material
140J-3Hz-40% after EIT
140J-3Hz-60% after EIT
140J-3Hz-80% after EIT
140J-10Hz-40% after EIT
140J-10Hz-60% after EIT
140J-10Hz-80% after EIT
280J-3Hz-40% after EIT
280J-3Hz-60% after EIT
280J-3Hz-80% after EIT
280J-10Hz-40% after EIT
280J-10Hz-60% after EIT
280J-10Hz-80% after EIT
PSD for scheelite ore after EI-Treatment
Figure 19. PSD of initial material and material after testing with electrical impulses
Q3,
%