Table 4 Experimental schedule and operating conditions
Phase | Time | Average inlet concentration (mg/m3) | Temperature (°C) | pH | |||
|---|---|---|---|---|---|---|---|
day | H2S | EM | DMS | DMDS | |||
1 | 1–31 | 101.0 ± 10.8 | 58.2 ± 17.2 | 59.3 ± 17.2 | 57.4 ± 15.5 | 19.1 ± 4.1 | 7.0 |
2 | 32–81 | 188.4 ± 56.1 | 102.5 ± 14.5 | 106.1 ± 13.9 | 100.9 ± 16.7 | 28.0 ± 0 | 7.0 |
3 | 82–96 | 109.7 ± 21.4 | 56.3 ± 9.6 | 62.0 ± 15.5 | 51.0 ± 5.4 | 8.0 ± 4.9 | 7.0 |
4 | 97–108 | 98.7 ± 1.4 | 44.0 ± 5.0 | 43.5 ± 4.1 | 48.8 ± 3.1 | 28.0 ± 0 | 7.0 |
5 | 109–138* | – | – | – | – | – | – |
6 | 139–272 | 174.2 ± 93.1 | 96.3 ± 74.5 | 99.1 ± 78.5 | 105.5 ± 83.6 | 26.9 ± 1.3 | 7.0 |
7 | 273–290 | 118.1 ± 16.5 | 59.1 ± 13.2 | 60.7 ± 11.4 | 59.8 ± 10.9 | 26.9 ± 1.3 | 5.5 ± 0.8 |