3256 XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3
-20
-10
0
10
20
4 5 6 7 8 9 10 11
pH
Carbon black with different Nafion content
0% 20% 40%
-20
-10
0
10
20
4 5 6 7 8 9 10 11
pH
TiO
2 with different Nafion content
0% 20% 40%
Figure 3. Effect of pH on the zeta potentials of Carbon black (top) and TiO
2 (bottom) with
different Nafion content (Grey: 0 %Nafion, Blue: 20 %Nafion, Green: 40 %Nafion)
0
40
80
120
160
200
240
280
0 20 40
Nafion content (%)
pH 4 CB pH 10 CB
pH 4 TiO2 pH 10 TiO2
Figure 4. Bubble coverage angle of carbon black (blue) and TiO2 (orange and yellow) at pH 4
and pH 10
Zeta
potential
(mV)
Zeta
potential
(mV)
Bubble
coverage
angle
(degree)
-20
-10
0
10
20
4 5 6 7 8 9 10 11
pH
Carbon black with different Nafion content
0% 20% 40%
-20
-10
0
10
20
4 5 6 7 8 9 10 11
pH
TiO
2 with different Nafion content
0% 20% 40%
Figure 3. Effect of pH on the zeta potentials of Carbon black (top) and TiO
2 (bottom) with
different Nafion content (Grey: 0 %Nafion, Blue: 20 %Nafion, Green: 40 %Nafion)
0
40
80
120
160
200
240
280
0 20 40
Nafion content (%)
pH 4 CB pH 10 CB
pH 4 TiO2 pH 10 TiO2
Figure 4. Bubble coverage angle of carbon black (blue) and TiO2 (orange and yellow) at pH 4
and pH 10
Zeta
potential
(mV)
Zeta
potential
(mV)
Bubble
coverage
angle
(degree)