Table 2 Concentration Of selected parameters in cell 2. (Modified from Table 2 of Grammons et al.[9])a
From: Fate and transport of metals in H2S-rich waters at a treatment wetland
| Â | Summer (8/17/98) | Winter (2/19/98) | ||||
|---|---|---|---|---|---|---|
Parameter | Influent | Effluent | Removal efficiency | Influent | Effluent | Removal efficiency |
T/°C | 19.0 | 19.1 |  | 2.0 | 2.7 |  |
pH | 6.80 | 6.84 | Â | 6.42 | 6.73 | Â |
SC/μScm-1 | 872 | 1070 |  | 821 | 897 |  |
Alkalinity | 66.3 | 178 | Â | 72 | 149 | Â |
DICb/mg C L-1 | 16.1 | 54.4 | Â | 18.3 | 36.4 | Â |
Eh/mV | 476 | -153 | Â | 493 | 76 | Â |
As | 8.6 | 11.9 | (-38%) | 7.3 | 5.2 | 28.8% |
Cd | 40.5 | 0.51 | 98.7% | 32.7 | 0.52 | 98.4% |
Cu | 123 | 3.6 | 97.0% | 216 | 1.0 | 99.5% |
Fe | 28.8 | 18.0 | 37.5% | 171 | 528 | (-209%) |
Mn | 6680 | 3640 | 45.5% | 7070 | 8080 | (-14%) |
Zn (filtered) | 9330 | 10.5 | 99.9% | 9950 | 101 | 99.0% |
Zn (unfiltered) | 9850 | 42.9 | 99.6% | 10,000 | 640 | 93.6% |
Sulfate/mgSO4 L-1 | 472 | 289 | 38.8% | 336 | 313 | 6.8% |
H2S/mg H2S L-1 | 0.0 | 34.1 | Â | 0.0 | 2.0 | Â |