white fir and ponderosa pine (#2801)
ID-number | #2801 |
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Material | white fir and ponderosa pine |
Classification | ECN Phyllis classification ▸ untreated wood ▸ fir/pine/spruce |
NTA 8003 classification ▸ [100] hout ▸ [110] vers hout ▸ [130] naaldhout ▸ [131] naaldhout | |
Ash type | Ash content determined at 525°C, ash composition after heating to 950°C (resulting in 27.59% loss) |
Submitter organisation | ECN (Netherlands) |
Submission date | 2006-07-11 |
Remarks | 525°C ash contains 6.24% CO2, 0.69% SO2 and less than 0.065% Cl. 950°C ash ash contains 2.64% MnO too. |
Literature | P. Thy, B.M. Jenkins, C.E. Lesher, S.Grundvig: Compositional constraints on slag formation and potassium volatilization from rice straw blended wood fuel. Fuel Processing Technology 87 (2006) 383-408 |
Values
Property | Unit | Value | Std dev | Det lim | Lab | Date | Method | Remarks | ||||||||||||
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ar | dry | daf | ||||||||||||||||||
Main biomass properties |
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Proximate analysis |
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Moisture content | wt% | 10.40 | ||||||||||||||||||
Ash content | wt% | 1.08 | 1.20 | |||||||||||||||||
Ultimate analysis (macroelements) |
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Carbon | wt% | 48.54 | 54.17 | 54.83 | Measured | |||||||||||||||
Hydrogen | wt% | 5.22 | 5.83 | 5.90 | Measured | |||||||||||||||
Oxygen | wt% | 36.55 | 40.79 | 41.29 | Measured | |||||||||||||||
Nitrogen | wt% | 0.07 | 0.08 | 0.08 | Measured | |||||||||||||||
Sulphur | wt% | 0.02 | 0.02 | 0.02 | Measured | |||||||||||||||
Total (with halides) | wt% | 101.91 | 102.13 | 102.15 | Calculated | |||||||||||||||
Halides |
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Chlorine (Cl) | mg/kg | 300.0 | 334.8 | 338.9 | Measured | |||||||||||||||
Heating value |
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HHVMilne | MJ/kg | 19.04 | 21.25 | 21.51 | Calculated | |||||||||||||||
Ash melting behaviour |
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American standard method, measured in oxidizing conditions |
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IDT (initial deformation temperature) | °C | 1 236 | ||||||||||||||||||
SOT (softening or spherical temperature) | °C | 1 244 | ||||||||||||||||||
HT (hemispherical temperature) | °C | 1 246 | ||||||||||||||||||
FT (fluid temperature) | °C | 1 249 | ||||||||||||||||||
American standard method, measured in reducing conditions |
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IDT (initial deformation temperature) | °C | 1 254 | ||||||||||||||||||
SOT (softening or spherical temperature) | °C | 1 261 | ||||||||||||||||||
HT (hemispherical temperature) | °C | 1 262 | ||||||||||||||||||
FT (fluid temperature) | °C | 1 263 | ||||||||||||||||||
Ash Properties |
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Ash composition |
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P2O5 | wt% (ash) | 4.69 | ||||||||||||||||||
SiO2 | wt% (ash) | 14.01 | ||||||||||||||||||
Fe2O3 | wt% (ash) | 1.71 | ||||||||||||||||||
Al2O3 | wt% (ash) | 4.68 | ||||||||||||||||||
CaO | wt% (ash) | 48.05 | ||||||||||||||||||
MgO | wt% (ash) | 7.39 | ||||||||||||||||||
Na2O | wt% (ash) | 0.58 | ||||||||||||||||||
K2O | wt% (ash) | 16.06 | ||||||||||||||||||
TiO2 | wt% (ash) | 0.19 |