Research Article
Impact Evaluation of Wastewater Treatment Based on the Anaerobic Digestion of Sewage Sludge Using the Life Cycle Assessment Method
Table 2
Emissions and pollutants of the South Tehran’ sewage treatment plant.
| Type | Parameter | Amount per 450000 of treated wastewater | Unit |
| Emissions | CO | 4050000 | | | 13500 | | Ozone | 36000 | | | 22500 | | | 360 | | | 1260000 | | | 814500 | | | 36450000 | | | 18450000 | |
| Pollutants | COD | 18000 | | SS | 4050 | | TN | 9000 | | TP | 301.5 | | As | 4.32 | | Pb | 6.75 | | Cd | 0.54 | | Cr | 1.17 | | Cu | 13.5 | | Ni | 3.105 | | Zn | 14.4 | | Hg | 0.009 | |
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