Research Article
Intergraded Applied Methodology for the Treatment of Heavy Polluted Waste Waters from Olive Oil Industries
Table 5
Physicochemical characteristics of mature compost (120 d).
| Parameters | CS1A | CS1A1 | CS2B | CS2B1 |
| Moisture % | 32.1 ± 5.03 | 26.8 ± 2.35 | 28.2 ± 1.99 | 22.5 ± 2.19 | pH | 7.2 ± 0.05 | 7.7 ± 0.03 | 7.7 ± 0.03 | 7.6 ± 0.01 | Ash, % of dry matter | 25.85 ± 1.87 | 29.68 ± 1.33 | 28.81 ± 1.66 | 27.10 ± 1.51 | Organic matter, % of dry matter | 74.15 ± 3.09 | 70.32 ± 4.12 | 71.19 ± 2.99 | 72.90 ± 1.97 | Total organic carbon, % of dry matter | 40.7 ± 4.31 | 37.27 ± 3.16 | 40.58 ± 3.01 | 39.01 ± 2.19 | Total kjeldahl nitrogen,% | 1.13 ± 0.16 | 1.33 ± 0.22 | 1.30 ± 0.14 | 1.44 ± 0.11 | Total phosphorous % | 0.45 ± 0.11 | 0.55 ± 0.05 | 0.61 ± 0.12 | 0.52 ± 0.07 | C/N ratio | 36.01 ± 3.41 | 28.02 ± 2.13 | 31.22 ± 3.04 | 27.09 ± 2.21 | C/P ratio | 90.44 ± 12.91 | 67.76 ± 7.01 | 66.52 ± 9.18 | 75.01 ± 5.66 | Humic substances, % of dry matter | 5.84 ± 1.09 | 6.35 ± 0.97 | 7.04 ± 1.13 | 7.15 ± 0.88 | Total phenolic compounds, mg/kg | 212 ± 34 | 192 ± 23 | 188 ± 51 | 173 ± 19 | Germination index | 124 ± 21 | 138 ± 12 | 177 ± 19 | 201 ± 9 | Grow index % | 73 ± 5 | 77 ± 6 | 77 ± 10 | 92 ± 3 |
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