2156 XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3
copper-activated sphalerite surface, surpassing its interac-
tions with regular sphalerite.
Our research significantly advances the understand-
ing of collector-mineral interactions, paving the way for
more sophisticated and efficient mineral flotation strate-
gies in the future. By integrating DFT and comprehensive
To validate these findings, rigorous adsorption ther-
modynamics and flotation tests were conducted, con-
firming the captivating adsorption behavior of xanthane
on both sphalerite and copper-activated sphalerite sur-
faces. The experimental results unmistakably underscored
the heightened adsorption capacity of xanthane on the
2 4 6 8 10 12
0
10
20
30
40
50
60
70
80
90
100
pH
CuSO
4 +Ex
Ex
Figure 9. The flotation recovery of sphalerite at different pH
0 2 4 6 8 10 12 14
0
1
2
3
4
5 Sphalerite
C
e (10-5mol/L)
293.15K
298.15K
303.15K
308.15K
Figure 10. Adsorption isotherms of xanthate on sphalerite surfaces (t =6 h and pH =8.0)
Recovery
(%)
Q(10-7mol/m2)
e