Table 3.
Recently reported UASB co-digestion results.
| Substrate | Co-Substrate | Adjuvant | Temperature (°C) | Hydraulic Retention Time (d) | Organic Loading Rate (kg COD/m3d) | Chemical Oxygen Demand Removal (%) | Yield | Reference |
|---|---|---|---|---|---|---|---|---|
| Food waste | Domestic wastewater | Cu2+ | 35 | 10 | 3.8 | >90 | 0.3 1 | [76] |
| Food waste | Liquid slaughterhouse waste | Clinoptiolite | 40 | 28 | - | - | - | [77] |
| Cheese whey | Manure liquid fraction | None | 35 | 2.2 | 19.4 | 95 | 6.4 2 | [82] |
| Distilled gin | Swine wastewater | None | 36 | 3.3 | 28.5 | 97 | 8.4 2 | [81] |
| Sewage sludge-cow manure | Kitchen waste, yard waste, floral waste, dairy wastewater | None | 36 | 1 | - | 78–86 | 4.5 2 | [78] |
| Acid mine drainage | Cheese whey | None | 30 | 1 | - | 68–84 | - | [80] |
| Source-diverted blackwater | Food waste | None | 35 | 2.6 | 10.0 | 82–84 | 2.42 3 | [79] |
1 L CH4/g CODremoved, 2 m3 CH4/m3d, 3 L/L·d.