Research Article
Enhanced Biochar Production via Co-Pyrolysis of Biomass Residual with Plastic Waste after Recycling Process
| Sample | Pyrolysis temperature (°C) | pH |
| Pure sawdust char | 300 | 8.7 | 400 | 9.2 | 500 | 9.4 |
| Pure hardwood char | 300 | 8.6 | 400 | 9.4 | 500 | 9.6 |
| Sawdust–plastic char | 300 | 8.4 | 400 | 9.0 | 500 | 9.2 |
| Hardwood–plastic char | 300 | 8.2 | 400 | 9.2 | 500 | 9.5 |
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