Review Article
Food Waste to Energy: An Overview of Sustainable Approaches for Food Waste Management and Nutrient Recycling
Table 2
Anaerobic digestion processes of food waste for methane production.
| Waste | Inoculum | Vessel type | Duration (d) | HRT (d) | CH4 yield (ml/g VS) | % CH4 | References |
| FW | Cow manure | Bioreactor with .5 L working volume | 29 | 1 | 530 | 70 | [23] | FW | Anaerobic SS | Pilot scale 5 tons/d | 90 | NR | 440 | 70 | [24] | FW | Anaerobic SS | Bioreactor with 12 L working volume | 60 | 20 | NR | 68.8 | [25] | FW | SS | Bioreactor with 4.5 L working volume | 200 | 1–27 | 520 | 90 | [26] | FW | NR | 900 m3 tank volume | 426 | 80 | 399 | 62 | [27] | FW | Anaerobic SS | CSTR with 3 L working volume | 225 | 16 | 455 | NR | [28] | FW | NR | Digester with 800 ml working volume | 30 | Batch | 410 | 66 | [29] | FW | Anaerobic SS | Batch | 28 | 10–28 | 440 | 73 | [30] | FW | SS | CSTR with 10 L working volume | 150 | 5 | 464 | 80 | [31] | FW | Landfill soil and cow manure | Batch 5 L | 60 | 20–60 | 220 | NR | [32] |
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