white fir and ponderosa pine (#2801)

Download XLSX Download PDF

ID-number#2801
Materialwhite fir and ponderosa pine
Classification ECN Phyllis classification ▸ untreated wood ▸ fir/pine/spruce
NTA 8003 classification ▸ [100] hout ▸ [110] vers hout ▸ [130] naaldhout ▸ [131] naaldhout
Ash typeAsh content determined at 525°C, ash composition after heating to 950°C (resulting in 27.59% loss)
Submitter organisationECN (Netherlands)
Submission date2006-07-11
Remarks525°C ash contains 6.24% CO2, 0.69% SO2 and less than 0.065% Cl. 950°C ash ash contains 2.64% MnO too.
LiteratureP. Thy, B.M. Jenkins, C.E. Lesher, S.Grundvig: Compositional constraints on slag formation and potassium volatilization from rice straw blended wood fuel. Fuel Processing Technology 87 (2006) 383-408

Values

Property Unit Value Std dev Det lim Lab Date Method Remarks
ar dry daf

Fuel Properties

Proximate Analysis
Moisture content wt% 10.40
Ash content wt% 1.08 1.20

Ultimate Analysis
Carbon wt% 48.54 54.17 54.83 Measured
Hydrogen wt% 5.22 5.83 5.90 Measured
Nitrogen wt% 0.07 0.08 0.08 Measured
Sulphur wt% 0.02 0.02 0.02 Measured
Oxygen wt% 36.55 40.79 41.29 Measured
Total (with halides) wt% 101.91 102.13 102.15 Calculated

Calorific Values
HHVMilne MJ/kg 19.04 21.25 21.51 Calculated

Chemical Analyses

Halides
Chlorine (Cl) mg/kg 300.0 334.8 338.9 Measured

Physical Properties

Ash melting behaviour

American standard method, measured in oxidizing conditions
IDT (initial deformation temperature) °C 1 236
SOT (softening or spherical temperature) °C 1 244
HT (hemispherical temperature) °C 1 246
FT (fluid temperature) °C 1 249

American standard method, measured in reducing conditions
IDT (initial deformation temperature) °C 1 254
SOT (softening or spherical temperature) °C 1 261
HT (hemispherical temperature) °C 1 262
FT (fluid temperature) °C 1 263

Ash Properties

Ash composition
P2O5 wt% (ash) 4.69
SiO2 wt% (ash) 14.01
Fe2O3 wt% (ash) 1.71
Al2O3 wt% (ash) 4.68
CaO wt% (ash) 48.05
MgO wt% (ash) 7.39
Na2O wt% (ash) 0.58
K2O wt% (ash) 16.06
TiO2 wt% (ash) 0.19