Table 3.
Ultimate Biochar Analysis.
| Sample | Nd (wt%) | Cd (wt%) | Hd (wt%) | Sd (wt%) | Od (wt%) |
|---|---|---|---|---|---|
| Pine | 1.16 ± 0.02 | 80.96 ± 0.49 | 3.04 ± 0.05 | n.d. | 13.97 ± 0.48 |
| Pinecone | 0.97 ± 0.01 | 82.26 ± 0.96 | 1.78 ± 0.06 | n.d. | 14.02 ± 0.91 |
| Hazelnut shell | 0.99 ± 0.02 | 76.88 ± 1.68 | 2.27 ± 0.07 | n.d. | 17.33 ± 1.75 |
| Swine manure | 2.52 ± 0.04 | 37.12 ± 0.29 | 1.54 ± 0.04 | 0.09 ± 0.01 | 10.38 ± 0.24 |
| Slow-cooling hazelnut shell | 0.94 ± 0.02 | 82.97 ± 1.67 | 1.78 ± 0.01 | n.d. | 12.26 ± 1.65 |
| Oak pruning residues | 2.02 ± 0.05 | 52.39 ± 1.20 | 1.21 ± 0.05 | n.d. | 21.99 ± 1.28 |
d dry basis, n.d. not detected.