1 Introduction
2 Methods
2.1 Study area and baseline
2.2 Biochar-producing cookstoves
2.3 Trial design and cultivation
2.4 Climate impact assessment
3 Results
3.1 Biochar-producing cookstoves
3.2 Cultivation
Characteristic | Unit | Biomass | Biochar |
---|---|---|---|
Biomass type | Prunings from 5 wood types: Coffee, Grevellia, Macadamia, Mucuca, Muriru | ||
pH | - | - | 8.7 ± 0.3 |
Ash | % of dry matter (DM) | 0.9 ± 0.4 | 3.3 ± 0.7 |
Volatile matter | % of DM | 81.9 ± 1.1 | 9.7 ± 0.6 |
Fixed carbon | % of DM | 17.1 ± 0.7 | 87.0 ± 0.8 |
Hydrogen | % of DM | 6.0 ± 0.1 | 1.7 ± 0.2 |
Net calorific value | MJ kg−1 DM | 18.5 ± 0.2 | 33.7 ± 0.1 |