bark, spruce (#39)

ID-number#39
Materialbark, spruce
Classification ECN Phyllis classification ▸ untreated wood ▸ bark ▸ bark, spruce
NTA 8003 classification ▸ [100] hout ▸ [110] vers hout ▸ [112] schors
Ash typelaboratory
Submitter organisationECN (Netherlands)
Literaturehttp://edv1.vt.tuwien.ac.at/AG_HOFBA/BIOBIB/Biobib.htm (1997).

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% (ar)
Ash content wt% 3.68

Ultimate Analysis

Carbon wt% 50.28 52.20 Unknown
Hydrogen wt% 5.05 5.24 Unknown
Nitrogen wt% 0.39 0.40 Unknown
Sulphur wt% 0.02 0.02 Unknown
Oxygen wt% 40.55 42.10 Calculated
Total (with halides) wt% 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 18.40 19.11
Gross calorific value (HHV) MJ/kg 19.51 20.26
HHVMilne MJ/kg 18.86 19.58 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 300.0 311.5 Unknown

Minor elements

Cadmium (Cd) mg/kg (dry) 1.0 Unknown
Copper (Cu) mg/kg (dry) 3.1 Unknown
Lead (Pb) mg/kg (dry) 2.5 Unknown
Mercury (Hg) mg/kg (dry) 0.0 Unknown

Physical Properties

Ash melting behaviour

American standard method, measured in oxidizing conditions

IDT (initial deformation temperature) °C 1 390
SOT (softening or spherical temperature) °C 1 680
HT (hemispherical temperature) °C 1 750
FT (fluid temperature) °C 1 800

Ash Properties

Ash composition

CO2 wt% (ash) 23.40
SO3 wt% (ash) 0.94
Cl wt% (ash) 0.03
P2O5 wt% (ash) 2.34
SiO2 wt% (ash) 2.90
Fe2O3 wt% (ash) 0.36
Al2O3 wt% (ash) 0.64
CaO wt% (ash) 55.10
MgO wt% (ash) 2.84
Na2O wt% (ash) 0.13
K2O wt% (ash) 6.80
Pb mg/kg (ash) 22.0
Cd mg/kg (ash) 1.3
Cu mg/kg (ash) 97.0
Hg mg/kg (ash) 0.2