wood, willow variety (#851)

ID-number#851
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, Salix clone SV1 1-year-old, 5/16 to 3/4 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% 13.58
Ash content wt% 0.95 1.10
Volatile matter wt% 73.38 84.91 85.85
Fixed carbon wt% 12.09 13.99 14.15 Calculated

Ultimate Analysis
Carbon wt% 41.43 47.94 48.47 Measured
Hydrogen wt% 5.05 5.84 5.90 Measured
Nitrogen wt% 0.54 0.63 0.64 Measured
Sulphur wt% 0.05 0.06 0.06 Measured
Oxygen wt% 38.39 44.42 44.91 Calculated
Total (with halides) wt% 99.99 99.99 99.99 Calculated

Calorific Values
Net calorific value (LHV) MJ/kg 15.30 18.09 18.29
Gross calorific value (HHV) MJ/kg 16.73 19.36 19.58
HHVMilne MJ/kg 16.12 18.65 18.86 Calculated

Chemical Analyses

Halides
Chlorine (Cl) mg/kg (dry) 100.0

Ash Properties

Ash composition
CO2 wt% (ash) 17.58
SO3 wt% (ash) 1.70
P2O5 wt% (ash) 10.36
SiO2 wt% (ash) 16.76
Fe2O3 wt% (ash) 0.85
Al2O3 wt% (ash) 3.01
CaO wt% (ash) 34.86
MgO wt% (ash) 2.46
Na2O wt% (ash) 3.05
K2O wt% (ash) 12.20
TiO2 wt% (ash) 0.07