bark, pine (#3157)

ID-number#3157
Materialbark, pine
Alternative namePine
DescriptionBARK
Classification CEN/TS 14961 classification ▸ Solid biofuels ▸ Woody biomass ▸ Forest and plantation wood ▸ Whole trees without roots ▸ Coniferous
ECN Phyllis classification ▸ untreated wood ▸ bark ▸ bark, pine
NTA 8003 classification ▸ [100] hout ▸ [110] vers hout ▸ [112] schors
Sample date1996-01-01
Sample locationFinland
Sample lot size0,2-1 m3
CountryFinland
SubmitterVTT
Submitter organisationECN (Netherlands)
Submission date2008-09-01
Remarksash data, taken from original publication, added by ECN in 2012
LiteratureC. Wilén, A. Moilanen and E. Kurkula: Biomass feedstock analyses, VTT publications 282, Espoo 1996.

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 4.74
Volatile matter wt% 69.54 73.00 74.28
Ash content at 550°C wt% 1.64 1.72 CEN/TS 14775
Fixed carbon wt% 24.08 25.28 25.72 Calculated

Ultimate Analysis

Carbon wt% 50.01 52.50 53.42 CEN/TS 15104
Hydrogen wt% 5.43 5.70 5.80 CEN/TS 15104
Nitrogen wt% 0.38 0.40 0.41 CEN/TS 15104
Sulphur wt% 0.03 0.03 0.03 CEN/TS15289
Oxygen wt% 37.77 39.65 40.34 by diffeence
Total (with halides) wt% 100.01 100.01 100.01 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 18.65 19.70 20.04 CEN/TS 14918
Gross calorific value (HHV) MJ/kg 19.96 20.95 21.32
HHVMilne MJ/kg 19.63 20.61 20.97 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 81.0 85.0 86.5 neutron activation

Major elements

Potassium (K) mg/kg (dry) 2 133.0 neutron activation
Sodium (Na) mg/kg (dry) 29.0 neutron activation

Physical Properties

Ash melting behaviour

American standard method, measured in oxidizing conditions

IDT (initial deformation temperature) °C 1 340 ASTM D 1857 Leco AF-600
SOT (softening or spherical temperature) °C 1 525 ASTM D 1857 Leco AF-600
HT (hemispherical temperature) °C 1 650 ASTM D 1857 Leco AF-600
FT (fluid temperature) °C 1 650 ASTM D 1857 Leco AF-600

American standard method, measured in reducing conditions

IDT (initial deformation temperature) °C 1 375 ASTM D 1857 Leco AF-600
SOT (softening or spherical temperature) °C 1 504 ASTM D 1857 Leco AF-600
HT (hemispherical temperature) °C 1 506 ASTM D 1857 Leco AF-600
FT (fluid temperature) °C 1 507 ASTM D 1857 Leco AF-600

Commonly used properties

Bulk density (ar) kg/m³ (ar) 230 loose, not shaken

Ash Properties

Ash composition

SO3 wt% (ash) 2.05
P2O5 wt% (ash) 4.81
SiO2 wt% (ash) 1.28
Fe2O3 wt% (ash) 0.30
Al2O3 wt% (ash) 5.29
CaO wt% (ash) 40.58
MgO wt% (ash) 4.48
Na2O wt% (ash) 0.44
K2O wt% (ash) 7.59
TiO2 wt% (ash) 0.08