Table 2 Comparative characteristics and carbon sequestration potentials of different biochar types [81]
Biochar type | Biochar yield (%) | Oil yield (%) | Gas yield (%) | C (%)-biochar | C (%)-feedstock | R50 | Carbon sequestration potential (%) |
|---|---|---|---|---|---|---|---|
Cotton stalk | 28.0 | 53.6 | 18.4 | 83.2 | 46.0 | 0.50 | 23.8 |
wheat straw | 30.3 | 50.0 | 17.6 | 75.3 | 48.1 | 0.46 | 21.3 |
Coconut fibre | 30.8 | 47.8 | 25.1 | 82.6 | 44.7 | 0.49 | 26.8 |
Rice husk | 39.0 | 33.5 | 21.8 | 54.5 | 42.5 | 0.54 | 26.0 |
Coconut shell | 28.2 | 43.7 | 28.1 | 93.9 | 52.6 | 0.59 | 28.7 |