Turbidity in Combined Sewer Sewage: An Identification of Stormwater Detention Tanks
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Site
2.2. Sampling and Sensors
2.3. Analytical Methods
2.4. Data Treatment
3. Results and Discussion
3.1. Combined Sewer Sewage Quality
3.2. Pollutant First Flush in Combined Sewer
3.3. Correlation Analysis of Pollutants and Turbidity
3.4. Selective Collection Method of Sewage Based on Turbidity
- (1)
- Selecting control water quality parameters and determining the turbidity threshold;
- (2)
- Regulate the fate of sewage according to the turbidity and water level of the effluent.
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Pollutant | R2 | Strong Distinctive First Flush (0 < b < 0.185) | Moderate First Flush (0.185 < b < 0.862) | Weak Distinctive First Flush (0.862 < b < 1) | First Flush Fails to Occur (1 < b) |
---|---|---|---|---|---|
Total suspended solids (TSS) | 0.99 | 12.69% | 26.98% | 33.33% | 26.98% |
Chemical oxygen demand (COD) | 0.99 | 7.94% | 33.33% | 39.68% | 19.05% |
NH4+-N | 0.94 | 14.28% | 15.87% | 44.44% | 25.40% |
Total nitrogen (TN) | 0.98 | 20.63% | 31.74% | 46.03% | 1.59% |
Total phosphorus (TP) | 0.96 | 12.70% | 38.09% | 39.68% | 9.52% |
TSS | NH4+-N | TN | TP | COD | |
---|---|---|---|---|---|
Rainfall depth | 0.245 * | / | / | 0.188 * | / |
Max rainfall intensity | 0.291 * | 0.107 * | / | 0.296 * | / |
Average rainfall intensity | / | 0.263 * | 0.214 * | 0.201 * | / |
Rain duration | / | / | / | / | / |
Antecedent dry period | / | / | / | / | / |
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Liu, Y.; Hou, L.; Bian, W.; Zhou, B.; Liang, D.; Li, J. Turbidity in Combined Sewer Sewage: An Identification of Stormwater Detention Tanks. Int. J. Environ. Res. Public Health 2020, 17, 3053. https://doi.org/10.3390/ijerph17093053
Liu Y, Hou L, Bian W, Zhou B, Liang D, Li J. Turbidity in Combined Sewer Sewage: An Identification of Stormwater Detention Tanks. International Journal of Environmental Research and Public Health. 2020; 17(9):3053. https://doi.org/10.3390/ijerph17093053
Chicago/Turabian StyleLiu, Yang, Liangang Hou, Wei Bian, Banglei Zhou, Dongbo Liang, and Jun Li. 2020. "Turbidity in Combined Sewer Sewage: An Identification of Stormwater Detention Tanks" International Journal of Environmental Research and Public Health 17, no. 9: 3053. https://doi.org/10.3390/ijerph17093053