Table 1. Significant Characteristics of MSW Samples Over the Dry Basis.
| property | MSW (raw material) | compost R1 (40 days later) | compost R2 (40 days later) |
|---|---|---|---|
| Kjeldahl-N (g kg–1) | 22.1 (3.6)a | 13.0 (10) | 17.4 (8.6) |
| organic matterb (g kg–1) | 702.0 (4.1) | 598.0 (5.3) | 573.0 (4.8) |
| EC (1:5 extract) (day s m–1) | 8.3 (8.4) | 10.2 (12.7) | 11.1 (8.1) |
| pH (1:5 extract) | 5.9 (3.4) | 6.9 (1.4) | 7.0 (1.4) |
| C/N ratio | 19.1 | 24.3 | 20.0 |
| particle size (%) | |||
| <2 mm | 2.7 (37) | ||
| 5–2 mm | 4.9 (32.7) | ||
| 10–5 mm | 9.9 (28.3) | ||
| 25–10 mm | 27.3 (19.8) | ||
| >25 mm | 55.2 (16.1) |
a
Average (% relative standard deviation).
b
MSW samples <5 mm and without impurities.