Table 2 Phosphorus removal and recovery (n = 3; mean ± standard error)
From: Increasing phosphorus recovery from dewatering centrate in microbial electrolysis cells
Experiment | Number of SSM cathode | Phosphorus in feed (mM) | Phosphorus in effluent (mM) | Removal (%) | Recovery as struvite (%) |
|---|---|---|---|---|---|
Set A | 1 piece | 0.43 ± 0.03 | 0.13 ± 0.01 | 69.7 ± 0.8 | 54.0 |
3 pieces | 0.13 ± 0.01 | 70.6 ± 0.5 | 55.6 | ||
5 pieces | 0.13 ± 0.01 | 69.3 ± 0.5 | 68.2 | ||
Set B | 1 piece | 1.28 ± 0.09 | 0.23 ± 0.01 | 82.4 ± 0.2 | 10.3 |
3 pieces | 0.26 ± 0.04 | 80.0 ± 2.8 | 15.7 | ||
5 pieces | 0.20 ± 0.03 | 84.7 ± 1.1 | 26.8 | ||
Set C | 1 piece | 1.36 | 0.18 | 87.0 | 6.8 |
2.63 | 0.37 | 86.0 | 6.1 | ||
3.26 | 0.70 | 78.6 | 22.5 |