Research Article
The Leachate Release and Microstructure of the Sewage Sludge under the Anaerobic Fermentation
Table 1
The physical properties of samples.
| | Pollutant | Sample I | Sample II | Sample III |
| | Proportion (mg/L) | 1.24 | 1.24 | 1.27 | | Organics (%) | 46.6 | 43.2 | 41.8 | | Moisture content (mg/L) | 69.7 | 80.3 | 78.4 | | Pore ratio | 3.17 | 3.36 | 3.50 | | Permeability coefficient (cm/s) | 1.44 × 10−8 | 1.20 × 10−8 | 1.07 × 10−8 | | Compressive strength (kg/cm2) | 0.059 | 0.068 | 0.066 | | BOD5 (mg/L) | 238 | 194 | 190 | | COD (mg/L) | 618 | 555 | 584 |
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