Table 2. Average Anode Potential, Cathode Potential, pH, and Conductivities Measured at the Applied Current Densities of 20, 50, and 100 A/m2.
| 20 A/m2 | 50 A/m2 | 100 A/m2 | ||
|---|---|---|---|---|
| Ecell | V | 1.19 ± 0.10 | 1.23 ± 0.16 | 1.40 ± 0.01 |
| Eanode | V (vs Ag/AgCl) | –0.02 ± 0.03 | 0.03 ± 0.16 | 0.13 ± 0.01 |
| Ecathode | V (vs Ag/AgCl) | –1.10 ± 0.12 | –1.13 ± 0.01 | –1.18 ± 0.001 |
| pH influent | 9.3 | 9.3 | 9.3 | |
| pH feed effluent | 6.4 ± 0.9 | 6.8 ± 0.3 | 7.3 ± 0.1 | |
| pH concentrate | 12.6 ± 0.8 | 12.8 ± 0.3 | 12.5 ± 0.1 | |
| pH cathode | 13.3 ± 0.1 | 13.7 ± 0.1 | 13.9 ± 0.1 | |
| conductivity influent | mS/cm | 29.7 | 29.7 | 29.7 |
| conductivity feed effluent | mS/cm | 15.3 ± 1.2 | 16.3 ± 0.7 | 17.7 ± 0.4 |
| conductivity concentrate | mS/cm | 55.7 ± 18.3 | 220 ± 32 | 301 ± 16 |
| conductivity cathode | mS/cm | 46.5 ± 15.8 | 236 ± 46 | 351 ± 20 |