groundnut shells (#1455)
| ID-number | #1455 |
|---|---|
| Material | groundnut shells |
| Classification | ECN Phyllis classification ▸ husk/shell/pit ▸ peanut ▸ groundnut shells |
| NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [230] restproducten (doppen) ▸ [233] pindadoppen | |
| Submitter organisation | ECN (Netherlands) |
| Submission date | 1999-06-18 |
| Remarks | devolatilisation occurs between 300 and 720°C, maximum rate at 505°C |
| Literature | P. D. Grover: Thermochemical characteristics of biomass residues for gasification, Indian Institute of Technology, Delhi, India (1989). |
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% | 6.90 | ||||||||||||||||||
| Volatile matter | wt% | 68.10 | 73.15 | |||||||||||||||||
| Fixed carbon | wt% | 25.00 | 26.85 | Calculated | ||||||||||||||||
Ultimate analysis (macroelements) |
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| Carbon | wt% | 44.78 | 48.10 | Measured | ||||||||||||||||
| Hydrogen | wt% | 6.08 | 6.53 | Measured | ||||||||||||||||
| Oxygen | wt% | 42.24 | 45.37 | Calculated | ||||||||||||||||
| Total (with halides) | wt% | 100.00 | 100.00 | Calculated | ||||||||||||||||
Heating value |
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| Net calorific value (LHV) | MJ/kg | 15.87 | 17.05 | |||||||||||||||||
| Gross calorific value (HHV) | MJ/kg | 17.20 | 18.47 | |||||||||||||||||
| HHVMilne | MJ/kg | 18.14 | 19.49 | Calculated | ||||||||||||||||
Ash melting behaviour |
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American standard method, measured in oxidizing conditions |
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| IDT (initial deformation temperature) | °C | 1 190 | ||||||||||||||||||
| FT (fluid temperature) | °C | 1 230 | ||||||||||||||||||