Table 1 Performance of BEC at different cathodic reaction time
Reaction time | CE (Conversion efficiency, %) | H2O2 production rate (g l−1 day−1) | COD removal efficiency (%) | WNS catholyte | |
|---|---|---|---|---|---|
pH | Conductivity (mS cm−1) | ||||
6 | 58.5 ± 0.3 | 0.79 ± 0.02 | 65.4 ± 2.1 | 12.14 | 8.14 |
12 | 34.1 ± 0.3 | 0.54 ± 0.04 | 71.2 ± 3.8 | 11.29 | 9.08 |
24 | 34.5 ± 0.1 | 0.51 ± 0.11 | 72.5 ± 1.3 | 11.52 | 8.91 |
48 | 27.9 ± 0.1 | 0.29 ± 0.02 | 70.8 ± 4.1 | 12.09 | 8.74 |
