wood, willow (#719)

ID-number#719
Materialwood, willow
Classification ECN Phyllis classification ▸ untreated wood ▸ willow ▸ wood, willow
NTA 8003 classification ▸ [100] hout ▸ [110] vers hout ▸ [120] loofhout ▸ [122] zacht loofhout
Ash typeASTM D1102; 600 Degree Celcius
Submitter organisationECN (Netherlands)
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% 10.23
Ash content wt% 0.85 0.95
Volatile matter wt% 76.52 85.24 86.05
Fixed carbon wt% 12.40 13.81 13.95 Calculated

Ultimate Analysis

Carbon wt% 44.07 49.09 49.56 Measured
Hydrogen wt% 5.29 5.89 5.95 Measured
Nitrogen wt% 0.32 0.36 0.36 Measured
Sulphur wt% 0.03 0.03 0.03 Measured
Oxygen wt% 39.21 43.68 44.10 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 15.99 18.09 18.26
Gross calorific value (HHV) MJ/kg 17.39 19.38 19.56
HHVMilne MJ/kg 17.27 19.23 19.42 Calculated

Ash Properties

Ash composition

CO2 wt% (ash) 13.67
SO3 wt% (ash) 1.15
P2O5 wt% (ash) 10.04
SiO2 wt% (ash) 8.08
Fe2O3 wt% (ash) 0.84
Al2O3 wt% (ash) 1.39
CaO wt% (ash) 45.62
MgO wt% (ash) 1.16
Na2O wt% (ash) 2.47
K2O wt% (ash) 13.20
TiO2 wt% (ash) 0.06