Research Article
Combined Industrial Wastewater Treatment in Anaerobic Bioreactor Posttreated in Constructed Wetland
Table 3
The performance of ABR in treating combined industrial effluents.
| Parameters | Influent/raw wastewater | ABR effluent | % removal | 20% | 40% | 60% | 80% | Original WW | 20% | 40% | 60% | 80% | Original WW | 20% | 40% | 60% | 80% | Original WW |
| pH | 8.1 | 8.48 | 8.6 | 8.76 | 10.2 | 7.89 | 8.31 | 8.52 | 8.66 | 8.41 | — | — | — | — | — | Conductivity (µs) | 627 | 646 | 645 | 676 | 702 | 654 | 616 | 645 | 687 | 702 | — | — | — | — | — | TDS | 378 | 330 | 344 | 394 | 411 | 339 | 324 | 334 | 357 | 365 | 10 | 2 | 3 | 9 | 11 | TS | 712 | 812 | 780 | 1333 | 1400 | 83 | 85 | 93 | 215 | 115 | 88 | 89.5 | 88 | 83.8 | 91.7 | VS | 600 | 520 | 1050 | 1160 | 1960 | 45 | 86.3 | 163.9 | 97.2 | 305 | 92 | 83.5 | 86 | 90 | 84 | COD | 70 | 189 | 284 | 379 | 474 | 42 | 54 | 121 | 159 | 297 | 40 | 47.8 | 57.3 | 58.04 | 37.34 | BOD | 23.3 | 25.4 | 50.9 | 77 | 84.8 | 18.5 | 4.16 | 5.1 | 10.2 | 18.5 | 82 | 80 | 80 | 81 | 78 | Nitrates | 24 | 59 | 83 | 98 | 145 | 1.8 | 6.1 | 9.23 | 8.9 | 16 | 92.5 | 89.6 | 88.8 | 90.9 | 88.9 | Ammonia | 17 | 23 | 45 | 57 | 82 | 2.1 | 2.1 | 4.5 | 8 | 10 | 87.6 | 90.8 | 90 | 85.9 | 87.8 | Lead | 0.131 | 0.653 | 1.335 | 1.851 | 2.337 | 0.558 | 0.653 | 1.222 | 2.109 | 2.703 | 64 | 27.8 | 8.46 | 7.4 | 2.7 | Nickle | 0.117 | 0.225 | 0.315 | 0.271 | 0.403 | 0.079 | 0.015 | 0.035 | 0.074 | 1.014 | 92.1 | 93.4 | 87 | 79 | 79 | Cadmium | 0.026 | 0.021 | 0.009 | 0.026 | 0.048 | 0.009 | 0.008 | 0.001 | 0.009 | 0.007 | 65.4 | 62 | 88.9 | 96.2 | 85.4 |
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The values are given as mg/L except pH and conductivity.
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