Treatment | Level | pH1 (-) | Chemical oxygen demand (mg∙g−1) | Higher heating value (MJ∙kg−1) |
Manure | Raw | 7.1a ± 0.2 | 1777.5d ± 406.3 | 13.49f ± 0.42 |
Agricultural lime | 0.5X | 7.1b ± 0.0 | 1003.5abc ± 129.0 | 5.79cd ± 0.68 |
1.0X | 7.4c ± 0.2 | 950.0ab ± 140.0 | 4.51b ± 0.46 | |
2.0X | 7.5c ± 0.0 | 640.0a ± 17.3 | 2.64ba ± 0.68 | |
Hydrated lime | 0.5X | 12.3e ± 0.1 | 2916.7f ± 376.3 | 7.39e ± 0.38 |
1.0X | 12.5fg ± 0.0 | 1886.7d ± 118.5 | 5.81cd ± 0.33 | |
2.0X | 12.6g ± 0.0 | 1316.7bc ± 40.4 | 4.48c ± 0.70 | |
Lime slurry | 0.5X | 8.7d ± 0.1 | 2773.3ef ± 508.4 | 7.60 g ± 0.09 |
1.0X | 12.4ef ± 0.0 | 2343.3e ± 134.3 | 6.38f ± 0.07 | |
2.0X | 12.5g ± 0.0 | 1440.0cd ± 52.9 | 4.54a ± 0.04 |