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Physicochemical characteristics and calorific values of biochar produced from different agricultural wastes.
| Biochar samples | Carambola pruning (biochar) | Mango pruning (biochar) | Coconut shells (biochar) |
|---|---|---|---|
| pH | 9.96 ± 0.01 | 9.54 ± 0.01 | 8.98 ± 0.06 |
| Electrical conductivity (uS) | 3460.00 ± 72.11 | 2230.00 ± 278.75 | 1098.33 ± 41.10 |
| Ash (%) | 13.51 ± 0.09 | 8.81 ± 0.61 | 2.38 ± 0.19 |
| Calorific value (Cal/g) | 5709.27 ± 11.52 | 6069.60 ± 169.43 | 6926.37 ± 46.24 |
