Table 1.
Wetland plants in different substrates. Chemical parameters at the inlet and outlet of wetland microcosms.
| Parameters | Influent | Anthurium sp. PET | Spathiphyllum wallisii PET | Zantedeschia aethiopica PET | Anthurium sp. PRS | Spathiphyllum wallisii PRS | Zantedeschia aethiopica PRS | Control PET | Control PRS |
|---|---|---|---|---|---|---|---|---|---|
| Water temperature (°C) | 23.34 ± 0.70 | 17.14 ± 0.17 | 16.99 ± 0.21 | 17.44 ± 0.19 | 17.18 ± 0.20 | 16.99 ± 0.16 | 14.44 ± 0.32 | 17.61 ± 0.16 | 17.48 ± 0.08 |
| pH | 7.9 ± 0.12 | 7.86 ± 0.06 | 7.70 ± 0.06 | 7.09 ± 0.05 | 7.40 ± 0.06 | 7.12 ± 0.06 | 7.17 ± 0.06 | 7.19 ± 0.06 | 7.04 ± 0.05 |
| EC (µS·cm−1) | 1306.45 ± 52.07 | 1116.98 ± 36.01 | 1167.94 ± 28.75 | 1118.48 ± 29.22 | 1019.78 ± 26.88 | 1080.12 ± 26.08 | 1032.80 ± 27.60 | 1050.2 ± 43.51 | 1042.26 ± 31.18 |
| TDS (mg·L−1) | 267.59 ± 5.94 | 169.55 ± 2.00 | 183.71 ± 1.67 | 168.50 ± 2.18 | 178.82 ± 1.28 | 183.82 ± 1.54 | 168.509 ± 2.35 | 190.43 ± 3.46 | 212.99 ± 2.92 |
Values are given as the mean ± standard error (n = 36). PET: polyethylene terephthalate; PRS: porous river stone; EC: electrical conductivity; TDS: total dissolved solids.