Table 8.
Odorous Compounds Emission Flux Composition Ratio and their Intensity Contribution Ratio with respect to the Six Selected Odorous Compounds in WWTP.
| Ratio | Treatment Process | Each Odorous Compound Ratio (%) | |||||
|---|---|---|---|---|---|---|---|
| NH3 | H2S | CH3SH | (CH3)2S | (CH3)2S2 | (CH3)3N | ||
| Emission Flux Ratio | Primary Settling Basin | 66.0% | 2.6% | 0.9% | 0.3% | 29.8% | 0.4% |
| Aeration Basin | 66.4% | 10.3% | 1.2% | 6.1% | 15.4% | 0.6% | |
| Final Settling Basin | 88.9% | 2.8% | 0.1% | 1.0% | 6.8% | 0.5% | |
| Total | 68.7% | 4.1% | 0.9% | 1.5% | 24.5% | 0.4% | |
| Odor Intensity Ratio | Primary Settling Basin | 0.0% | 4.3% | 4.2% | 1.3% | 88.4% | 1.7% |
| Aeration Basin | 0.0% | 17.2% | 6.1% | 27.8% | 46.4% | 2.5% | |
| Final Settling Basin | 0.1% | 14.6% | 2.0% | 13.5% | 63.3% | 6.5% | |
| Total | 0.0% | 10.4% | 4.9% | 13.2% | 69.1% | 2.4% | |