Table 1 Physicochemical properties of Korean food waste by emission source and season
Season | Moisture content (%) | Organic | Ash D.B | Calorific value (kcal/kg) D.B | pH (1:2.5) | NaCl (%) W.B | Other substance (%) | Elemental analysis (%) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
W.B. | D.B. | C | H | O | N | S | |||||||
Summer | 80.4 | 14.8 | 75.8 | 4.7 | 4,157 | 3.98 | 0.68 | 6.4 | 54.1 | 5.7 | 36.6 | 3.5 | 0.16 |
Autumn | 81.1 | 14.4 | 76.0 | 4.6 | 4,531 | 4.59 | 1.47 | 5.7 | 50.0 | 6.4 | 40.0 | 3.3 | 0.21 |
Winter | 79.0 | 15.2 | 72.2 | 5.8 | 4,941 | 4.72 | 1.00 | 4.7 | 52.7 | 6.0 | 37.1 | 3.9 | 0.28 |
Spring | 79.2 | 15.2 | 73.2 | 5.6 | 4,994 | 4.14 | 1.27 | 4.8 | 55.0 | 6.1 | 34.0 | 4.8 | 0.30 |
Average | 79.9 | 14.9 | 78.2 | 5.2 | 4,655 | 4.35 | 1.10 | 5.4 | 52.9 | 6.1 | 36.9 | 3.9 | 0.23 |