Table 2.
Electrical dehydration properties of emulsion with the combination of surfactant and solid particles as an emulsifier.
| Number | Surfactant | Solid Particles | Maximum Current (mA) |
Minimum Current (mA) |
Initial Demulsification Time (s) | Final Demulsification Rate (%) | ||
|---|---|---|---|---|---|---|---|---|
| Type | Concentration | Type | Concentration | |||||
| 1 | SPAN 20 | 0.2% | CaCO3 nano- particles |
0.01% | 4.32 | 0.11 | 122 | 92.14 |
| 2 | SPAN 40 | 5.74 | 0.13 | 62 | 90.25 | |||
| 3 | SPAN 60 | 8.17 | 0.11 | 11 | 87.34 | |||
| 4 | SPAN 20 | SiO2 nano- particles |
3.14 | 0.14 | 177 | 96.14 | ||
| 5 | SPAN 40 | 4.25 | 0.12 | 84 | 96.22 | |||
| 6 | SPAN 60 | 7.66 | 0.11 | 23 | 95.33 | |||
| 7 | SPAN 20 | FeS nano- particles |
15.68 | 0.11 | 0 | 87.11 | ||
| 8 | SPAN 40 | 21.34 | 0.12 | 0 | 85.51 | |||
| 9 | SPAN 60 | 25.11 | 0.11 | 0 | 82.34 | |||