wood, Pyrenean oak, branches 20 - 70 mm diameter (#2853)
| ID-number | #2853 |
|---|---|
| Material | wood, Pyrenean oak, branches 20 - 70 mm diameter |
| Description | chips |
| Classification | ECN Phyllis classification ▸ untreated wood ▸ oak |
| NTA 8003 classification ▸ [100] hout ▸ [110] vers hout ▸ [120] loofhout ▸ [126] hard loofhout met schors | |
| Sample lot size | <63 mm |
| Ash type | CEN/TS 14775 (550°C) |
| Submitter organisation | ECN (Netherlands) |
| Submission date | 2009-07-20 |
| Remarks | C,H,N according to CEN/TS 15104; S acc CEN/TS 15289, O by diff.; moisture by CEN/TS 14774-2; heating value acc UNE 164001 EX; collection, sampling and preparation acc to CEN standards; for small and larger branches see previous and next records |
| Literature | M.T. Miranda, J.I. Arranz, S. Rojas, I. Montero: Energetic characterization of densified residues from Pyrenean oak forest. Fuel 88 (2009) 2106-2112. |
Values
| Property | Unit | Value | Std dev | Det lim | Lab | Date | Method | Remarks | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ar | dry | daf | ||||||||||||||||||
Fuel Properties |
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Proximate Analysis |
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| Moisture content | wt% | 40.62 | ||||||||||||||||||
| Ash content | wt% | 1.78 | 3.00 | |||||||||||||||||
| Volatile matter | wt% | 47.99 | 80.82 | 83.32 | ||||||||||||||||
| Fixed carbon | wt% | 9.61 | 16.18 | 16.68 | Calculated | |||||||||||||||
Ultimate Analysis |
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| Carbon | wt% | 28.87 | 48.62 | 50.12 | Measured | |||||||||||||||
| Hydrogen | wt% | 3.87 | 6.52 | 6.72 | Measured | |||||||||||||||
| Nitrogen | wt% | 1.53 | 2.58 | 2.66 | Measured | |||||||||||||||
| Sulphur | wt% (dry) | 0.10 | ||||||||||||||||||
| Oxygen | wt% | 23.27 | 39.18 | 40.39 | Calculated | |||||||||||||||
| Total (with halides) | wt% | 99.94 | 99.90 | 99.90 | Calculated | |||||||||||||||
Calorific Values |
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| Net calorific value (LHV) | MJ/kg | 9.59 | 17.82 | 18.37 | ||||||||||||||||
| Gross calorific value (HHV) | MJ/kg | 11.42 | 19.24 | 19.84 | ||||||||||||||||
| HHVMilne | MJ/kg | 11.96 | 20.14 | 20.77 | Calculated | |||||||||||||||
Chemical Analyses |
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Biochemical composition |
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| Cellulose | wt% (dry) | 39.69 | van Soest | |||||||||||||||||
| Hemicellulose | wt% (dry) | 13.28 | van Soest | |||||||||||||||||
| Lignin | wt% (dry) | 21.87 | Measured | |||||||||||||||||
| Total ash + biochemical | wt% (dry) | 77.84 | Calculated | |||||||||||||||||
Physical Properties |
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Commonly used properties |
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| Bulk density (daf) | kg/m³ (daf) | 204 | ||||||||||||||||||