bark compost (#385)

ID-number#385
Materialbark compost
Classification ECN Phyllis classification ▸ treated wood ▸ composted wood
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% 5.87

Ultimate Analysis

Carbon wt% 49.84 52.95 Unknown
Hydrogen wt% 5.24 5.57 Unknown
Nitrogen wt% 0.37 0.39 Unknown
Sulphur wt% 0.03 0.03 Unknown
Oxygen wt% 38.64 41.05 Calculated
Total (with halides) wt% 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 18.68 19.84
Gross calorific value (HHV) MJ/kg 19.83 21.07
HHVMilne MJ/kg 19.16 20.35 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 100.0 106.2 Unknown

Minor elements

Cadmium (Cd) mg/kg (dry) 0.7 Unknown
Copper (Cu) mg/kg (dry) 6.1 Unknown
Lead (Pb) mg/kg (dry) 52.9 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 1 180
SOT (softening or spherical temperature) °C 1 200
HT (hemispherical temperature) °C 1 220
FT (fluid temperature) °C 1 220

Ash Properties

Ash composition

CO2 wt% (ash) 12.30
SO3 wt% (ash) 0.96
Cl wt% (ash) 0.13
P2O5 wt% (ash) 0.90
SiO2 wt% (ash) 47.20
Fe2O3 wt% (ash) 3.04
Al2O3 wt% (ash) 4.01
CaO wt% (ash) 18.50
MgO wt% (ash) 2.10
Na2O wt% (ash) 0.20
K2O wt% (ash) 2.40
Pb mg/kg (ash) 36.0
Cd mg/kg (ash) 0.5
Cu mg/kg (ash) 80.0
Hg mg/kg (ash) 0.1