wood, willow variety (#868)

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ID-number#868
Materialwood, willow variety
Classification ECN Phyllis classification ▸ untreated wood ▸ willow ▸ wood, willow variety
NTA 8003 classification ▸ [100] hout ▸ [110] vers hout ▸ [120] loofhout ▸ [122] zacht loofhout
Ash typeASTM D1102 600 oC
Submitter organisationECN (Netherlands)
RemarksState University of New York, Syracuse, air dried samples, stems, no leaves or fines, principal diameter shown, Salix clone SA22, 1-year-old, 5/16 to 1/2 inch diameter
LiteratureT. R. Miles, T. R. Miles,Jr, L. Baxter, R. W. Bryers, B. M. Jenkins and L. L. Oden: Alkali deposits found in biomass power plants. A preliminary investigation of their extend and nature, NREL/TP-433-8142, 82 p. (1995).

Values

Property Unit Value Std dev Det lim Lab Date Method Remarks
ar dry daf

Fuel Properties

Proximate Analysis
Moisture content wt% 11.49
Ash content wt% 1.33 1.50
Volatile matter wt% 72.43 81.83 83.08
Fixed carbon wt% 14.75 16.67 16.92 Calculated

Ultimate Analysis
Carbon wt% 44.03 49.75 50.51 Measured
Hydrogen wt% 5.31 6.00 6.09 Measured
Nitrogen wt% 0.58 0.65 0.66 Measured
Sulphur wt% 0.08 0.09 0.09 Measured
Oxygen wt% 37.17 42.00 42.64 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values
Net calorific value (LHV) MJ/kg 15.97 18.36 18.64
Gross calorific value (HHV) MJ/kg 17.41 19.67 19.97
HHVMilne MJ/kg 17.49 19.76 20.06 Calculated

Chemical Analyses

Halides
Chlorine (Cl) mg/kg 88.5 100.0 101.5 Measured

Ash Properties

Ash composition
CO2 wt% (ash) 17.65
SO3 wt% (ash) 3.09
P2O5 wt% (ash) 11.68
SiO2 wt% (ash) 1.89
Fe2O3 wt% (ash) 0.30
Al2O3 wt% (ash) 0.16
CaO wt% (ash) 32.00
MgO wt% (ash) 7.67
Na2O wt% (ash) 0.65
K2O wt% (ash) 22.10
TiO2 wt% (ash) 0.04