wood, willow variety (#867)

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ID-number#867
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 SH3, 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% 12.68
Ash content wt% 1.48 1.70
Volatile matter wt% 71.74 82.16 83.58
Fixed carbon wt% 14.09 16.14 16.42 Calculated

Ultimate Analysis
Carbon wt% 42.66 48.85 49.69 Measured
Hydrogen wt% 5.27 6.04 6.14 Measured
Nitrogen wt% 0.62 0.71 0.72 Measured
Sulphur wt% 0.05 0.06 0.06 Measured
Oxygen wt% 37.22 42.63 43.37 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values
Net calorific value (LHV) MJ/kg 15.69 18.32 18.64
Gross calorific value (HHV) MJ/kg 17.15 19.64 19.98
HHVMilne MJ/kg 16.96 19.42 19.76 Calculated

Chemical Analyses

Halides
Chlorine (Cl) mg/kg 87.3 100.0 101.7 Measured

Ash Properties

Ash composition
CO2 wt% (ash) 27.10
SO3 wt% (ash) 1.70
P2O5 wt% (ash) 8.16
SiO2 wt% (ash) 1.11
Fe2O3 wt% (ash) 0.21
Al2O3 wt% (ash) 0.09
CaO wt% (ash) 40.48
MgO wt% (ash) 3.04
Na2O wt% (ash) 0.77
K2O wt% (ash) 13.90
TiO2 wt% (ash) 0.00