wood, willow variety (#870)

ID-number#870
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, 3-year-old, Butt only, 1 to 2 inch.
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% 11.06
Ash content wt% 0.94 1.06
Volatile matter wt% 74.83 84.13 85.03
Fixed carbon wt% 13.17 14.81 14.97 Calculated

Ultimate Analysis
Carbon wt% 43.54 48.95 49.47 Measured
Hydrogen wt% 5.38 6.05 6.11 Measured
Nitrogen wt% 0.32 0.36 0.36 Measured
Sulphur wt% 0.04 0.04 0.04 Measured
Oxygen wt% 38.72 43.53 44.00 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values
Net calorific value (LHV) MJ/kg 15.78 18.05 18.24
Gross calorific value (HHV) MJ/kg 17.22 19.37 19.57
HHVMilne MJ/kg 17.26 19.41 19.62 Calculated

Chemical Analyses

Halides
Chlorine (Cl) mg/kg 88.9 100.0 101.1 Measured

Ash Properties

Ash composition
CO2 wt% (ash) 18.34
SO3 wt% (ash) 2.33
P2O5 wt% (ash) 7.18
SiO2 wt% (ash) 1.82
Fe2O3 wt% (ash) 0.49
Al2O3 wt% (ash) 1.48
CaO wt% (ash) 44.68
MgO wt% (ash) 2.16
Na2O wt% (ash) 0.86
K2O wt% (ash) 15.30
TiO2 wt% (ash) 0.05