cotton stalks (#1451)
| ID-number | #1451 |
|---|---|
| Material | cotton stalks |
| Classification | ECN Phyllis classification ▸ grass/plant ▸ cotton ▸ cotton stalks |
| NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [220] stro ▸ [229] overig stro | |
| Submitter organisation | ECN (Netherlands) |
| Submission date | 1999-06-18 |
| Remarks | devolatilisation occurs between 280 and 520°C, maximum rate at 390°C; oxygen content from Gaur and Reed, NREL/TP-433-7965 |
| 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% | 6.68 | ||||||||||||||||||
| Volatile matter | wt% | 70.89 | 75.96 | |||||||||||||||||
| Fixed carbon | wt% | 22.43 | 24.04 | Calculated | ||||||||||||||||
Ultimate analysis (macroelements) |
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| Carbon | wt% | 43.64 | 46.76 | Measured | ||||||||||||||||
| Hydrogen | wt% | 5.81 | 6.23 | Measured | ||||||||||||||||
| Oxygen | wt% | 43.87 | 47.01 | Calculated | ||||||||||||||||
| Total (with halides) | wt% | 100.00 | 100.00 | Calculated | ||||||||||||||||
Heating value |
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| Net calorific value (LHV) | MJ/kg | 16.99 | 18.21 | |||||||||||||||||
| Gross calorific value (HHV) | MJ/kg | 18.26 | 19.57 | |||||||||||||||||
| HHVMilne | MJ/kg | 17.20 | 18.43 | Calculated | ||||||||||||||||
Ash melting behaviour |
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American standard method, measured in oxidizing conditions |
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| IDT (initial deformation temperature) | °C | 1 350 | ||||||||||||||||||
| FT (fluid temperature) | °C | 1 420 | ||||||||||||||||||