wood, willow variety (#869)

ID-number#869
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, 1/2 to 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% 9.98
Ash content wt% 1.54 1.71
Volatile matter wt% 74.01 82.22 83.65
Fixed carbon wt% 14.47 16.07 16.35 Calculated

Ultimate Analysis

Carbon wt% 44.92 49.90 50.77 Measured
Hydrogen wt% 5.31 5.90 6.00 Measured
Nitrogen wt% 0.55 0.61 0.62 Measured
Sulphur wt% 0.06 0.07 0.07 Measured
Oxygen wt% 37.63 41.80 42.53 Calculated
Total (with halides) wt% 99.99 99.99 99.99 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 16.24 18.31 18.63
Gross calorific value (HHV) MJ/kg 17.64 19.59 19.94
HHVMilne MJ/kg 17.74 19.71 20.05 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg (dry) 100.0

Ash Properties

Ash composition

CO2 wt% (ash) 18.24
SO3 wt% (ash) 1.83
P2O5 wt% (ash) 7.40
SiO2 wt% (ash) 2.35
Fe2O3 wt% (ash) 0.73
Al2O3 wt% (ash) 1.41
CaO wt% (ash) 41.20
MgO wt% (ash) 2.47
Na2O wt% (ash) 0.94
K2O wt% (ash) 15.00
TiO2 wt% (ash) 0.05