Research Article
Analysis of Energy Characteristics of Rice and Coffee Husks Blends
Table 3
Proximate and ultimate analysis of coffee and rice husks.
| Analysis methods | Rice husks | Coffee husks |
| (1) Proximate Analysis (%), dry basis | | | Moisture | 8.80 | 6.70 | Volatile matter | 59.20 | 83.20 | Fixed carbon | 14.60 | 14.30 | Ash | 26.20 | 2.50 | (2) Ultimate Analysis (%), dry basis | | | C | 45.60 | 49.40 | H | 4.50 | 6.10 | N | 0.19 | 0.81 | O | 33.40 | 41.20 | Cl | 0.08 | 0.03 | S | 0.02 | 0.07 | Higher heating value (MJ/kg) | 13.24 | 18.34 |
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