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Influence of XZN4 on removal of Zn2+ in sewage with different indicators.
| Water samples | Zn2+ before removal (mg/L) | Zn2+ after removal (mg/L) | Zn2+ removal rate (%) |
|---|---|---|---|
| 1 | 9.16 | 1.30 | 85.8 |
| 2 | 7.84 | 1.51 | 80.7 |
| 3 | 10.30 | 1.96 | 71.3 |
| 4 | 8.73 | 1.28 | 85.3 |
| 5 | 6.24 | 0.71 | 88.6 |
