rice straw (#2001)
| ID-number | #2001 |
|---|---|
| Material | rice straw |
| Classification | ECN Phyllis classification ▸ straw (stalk/cob/ear) ▸ rice ▸ rice straw |
| NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [220] stro ▸ [224] rijsthalm | |
| Sample lot size | milled, smaller than 2 mm |
| Submitter organisation | ECN (Netherlands) |
| Submission date | 2001-02-23 |
| Remarks | gathered from same field as leached straw, ID 2002; fouling study of heat exchangers |
| Literature | Bakker,R.R.; Jenkins,B.M.; Williams,R.B.; Pfaff,D.: Fluidized bed combustion of leached rice straw; Proc. 4th biomass conference of the Americas, p.1425-1431 |
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% | 9.00 | ||||||||||||||||||
| Ash content | wt% | 16.65 | 18.30 | |||||||||||||||||
Ultimate analysis (macroelements) |
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| Carbon | wt% | 36.04 | 39.60 | 48.47 | Measured | |||||||||||||||
| Hydrogen | wt% | 4.19 | 4.60 | 5.63 | Measured | |||||||||||||||
| Oxygen | wt% | 33.12 | 36.40 | 44.55 | Calculated | |||||||||||||||
| Nitrogen | wt% | 0.64 | 0.70 | 0.86 | Measured | |||||||||||||||
| Sulphur | wt% | 0.10 | 0.11 | 0.13 | Measured | |||||||||||||||
| Total (with halides) | wt% | 99.97 | 99.97 | 99.96 | Calculated | |||||||||||||||
Halides |
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| Chlorine (Cl) | mg/kg | 2 366.0 | 2 600.0 | 3 182.4 | Measured | |||||||||||||||
Heating value |
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| Net calorific value (LHV) | MJ/kg | 12.61 | 14.10 | 17.25 | ||||||||||||||||
| Gross calorific value (HHV) | MJ/kg | 13.74 | 15.10 | 18.48 | ||||||||||||||||
| HHVMilne | MJ/kg | 13.57 | 14.91 | 18.25 | Calculated | |||||||||||||||
Ash Properties |
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Ash composition |
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| SiO2 | wt% (ash) | 72.20 | ||||||||||||||||||
| Al2O3 | wt% (ash) | 0.10 | ||||||||||||||||||
| Na2O | wt% (ash) | 0.40 | ||||||||||||||||||
| K2O | wt% (ash) | 16.60 | ||||||||||||||||||