wood, alder + fir sawdust (#807)

ID-number#807
Materialwood, alder + fir sawdust
Classification ECN Phyllis classification ▸ untreated wood ▸ others
NTA 8003 classification ▸ [100] hout ▸ [110] vers hout ▸ [115] zaagsel
Ash typeASTM D1102; 600 oC
Submitter organisationECN (Netherlands)
RemarksTacoma, WA, sawdust, sawmill residues. Hazen
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% 52.63
Ash content wt% 1.96 4.13
Volatile matter wt% 36.27 76.56 79.86
Fixed carbon wt% 9.15 19.31 20.14 Calculated

Ultimate Analysis

Carbon wt% 24.17 51.02 53.22 Measured
Hydrogen wt% 2.75 5.80 6.05 Measured
Nitrogen wt% 0.22 0.46 0.48 Measured
Sulphur wt% 0.02 0.05 0.05 Measured
Oxygen wt% 18.25 38.52 40.18 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 7.77 19.11 19.93
Gross calorific value (HHV) MJ/kg 9.65 20.38 21.25
HHVMilne MJ/kg 9.63 20.33 21.21 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 94.7 200.0 208.6 Measured

Ash Properties

Ash composition

CO2 wt% (ash) 1.85
SO3 wt% (ash) 0.78
P2O5 wt% (ash) 1.90
SiO2 wt% (ash) 35.36
Fe2O3 wt% (ash) 7.62
Al2O3 wt% (ash) 11.54
CaO wt% (ash) 24.90
MgO wt% (ash) 3.81
Na2O wt% (ash) 1.71
K2O wt% (ash) 5.75
TiO2 wt% (ash) 0.92