Table 4 Effect of pH.
From: Improving electrocoagulation performance by adding environmentally friendly materials
pH | Volume (L) | Removal efficiency (%) | |||
|---|---|---|---|---|---|
TDS | TSS | Color | COD | ||
4 | 1L | 4.0 ± 0.26 | 45.0 ± 1.12 | 54.5 ± 0.98 | 77.0 ± 1.94 |
3L | 3.5 ± 0.22 | 42.0 ± 1.03 | 52.0 ± 1.87 | 75.0 ± 2.33 | |
5L | 3.0 ± 0.19 | 40.0 ± 1.33 | 50.0 ± 2.00 | 72.0 ± 2.41 | |
6 | 1L | 12.0 ± 0.45 | 50.0 ± 1.21 | 63.6 ± 1.85 | 77.9 ± 2.01 |
3L | 11.0 ± 0.51 | 48.0 ± 1.25 | 61.0 ± 1.90 | 75.0 ± 1.71 | |
5L | 10.0 ± 0.43 | 45.0 ± 1.12 | 58.0 ± 2.50 | 73.0 ± 1.77 | |
7 | 1L | 33.0 ± 2.52 | 80.0 ± 0.95 | 67.3 ± 2.10 | 81.6 ± 1.45 |
3L | 30.0 ± 2.21 | 78.0 ± 1.22 | 65.0 ± 1.99 | 80.0 ± 2.03 | |
5L | 28.0 ± 1.95 | 75.0 ± 1.44 | 63.0 ± 1.88 | 78.0 ± 1.97 | |
9 | 1L | 10.0 ± 0.44 | 47.0 ± 1.36 | 50.0 ± 1.67 | 75.8 ± 1.89 |
3L | 9.0 ± 0.34 | 45.0 ± 2.01 | 48.0 ± 1.54 | 73.0 ± 1.88 | |
5L | 8.0 ± 0.31 | 43.0 ± 1.91 | 45.0 ± 1.55 | 70.0 ± 1.86 | |
10 | 1L | 2.7 ± 0.15 | 41.0 ± 1.96 | 36.4 ± 1.22 | 74.0 ± 1.98 |
3L | 2.50 ± 0.16 | 39.0 ± 1.87 | 35.0 ± 1.23 | 71.0 ± 1.61 | |
5L | 2.00 ± 0.09 | 37.0 ± 1.74 | 33.0 ± 1.35 | 69.0 ± 1.41 | |