walnut shell (#2081)
| ID-number | #2081 |
|---|---|
| Material | walnut shell |
| Classification | ECN Phyllis classification ▸ husk/shell/pit ▸ walnut ▸ walnut shell |
| NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [230] restproducten (doppen) ▸ [234] (wal)noten | |
| Submitter organisation | ECN (Netherlands) |
| Submission date | 2001-04-05 |
| Remarks | charcoal yield 44.7% at 1 MPa, fixed-C yield 29.1% |
| Literature | Antal,M.J., Allen,S.G., Dai,X, Shimizu,B., Tam,M.S. and Grønli: Attainment of the theoretical yield of carbon from biomass. Ind. Eng. Chem. Res. 39 (2000) 4024-4031 |
Values
| Property | Unit | Value | Std dev | Det lim | Lab | Date | Method | Remarks | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ar | dry | daf | ||||||||||||||||||
Main biomass properties |
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Proximate analysis |
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| Moisture content | wt% (ar) | |||||||||||||||||||
| Ash content | wt% | 2.02 | ||||||||||||||||||
Ultimate analysis (macroelements) |
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| Carbon | wt% | 49.95 | 50.98 | Measured | ||||||||||||||||
| Hydrogen | wt% | 5.87 | 5.99 | Measured | ||||||||||||||||
| Oxygen | wt% | 42.52 | 43.40 | Measured | ||||||||||||||||
| Nitrogen | wt% | 0.62 | 0.63 | Measured | ||||||||||||||||
| Sulphur | wt% | 0.13 | 0.13 | Measured | ||||||||||||||||
| Total (with halides) | wt% | 101.11 | 101.13 | Calculated | ||||||||||||||||
Heating value |
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| HHVMilne | MJ/kg | 19.59 | 20.00 | Calculated | ||||||||||||||||
Biochemical analysis |
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Cellulose, hemicellulose, lignin |
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| Cellulose | wt% (dry) | 21.00 | Sugar Analysis | |||||||||||||||||
| Hemicellulose | wt% (dry) | 18.80 | Sugar Analysis | |||||||||||||||||
| Lignin | wt% (dry) | 32.70 | Measured | |||||||||||||||||
Lignin analysis |
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| Acid insoluble lignin (Klason) (AIL) | wt% (dry) | 32.70 | Measured | |||||||||||||||||
Other |
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C5 |
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| Arabinan | wt% (dry) | 0.00 | ||||||||||||||||||
| Xylan | wt% (dry) | 18.90 | ||||||||||||||||||
| Sum C5 | wt% (dry) | 18.90 | Calculated | |||||||||||||||||
C6 |
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| Mannan | wt% (dry) | 0.00 | ||||||||||||||||||
| Galactan | wt% (dry) | 2.40 | ||||||||||||||||||
| Glucan | wt% (dry) | 23.30 | ||||||||||||||||||
| Sum C6 | wt% (dry) | 25.70 | Calculated | |||||||||||||||||
| Total ash + biochemical | wt% (dry) | 74.52 | Calculated | |||||||||||||||||