Stump chips (#3172)

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ID-number#3172
MaterialStump chips
Latin namePicea abies
Classification CEN/TS 14961 classification ▸ Solid biofuels ▸ Woody biomass ▸ Forest and plantation wood ▸ Stumps roots ▸ Coniferous
ECN Phyllis classification ▸ untreated wood ▸ fir/pine/spruce
NTA 8003 classification ▸ [100] hout ▸ [110] vers hout ▸ [130] naaldhout ▸ [131] naaldhout
Sample date2008-10-02
Sample lot size250 ton
CountryFinland
Production date2008-10-02
Submitter organisationECN (Netherlands)
RemarksToivo Tomingas on-job training

Values

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

Fuel Properties

Proximate Analysis
Moisture content wt% 8.15 0.00 VTT 2008-10-21 CEN/TS 14774-1,2,3 CEN/TS 14774-1
Volatile matter wt% 75.64 82.35 84.54 0.86 VTT 2008-10-21 CEN/TS 15148:2005
Ash content at 550°C wt% 2.38 2.59 18.43 VTT 2008-10-21 CEN/TS 14775 CEN/TS 14775
Fixed carbon wt% 13.83 15.06 15.46 Calculated

Ultimate Analysis
Carbon wt% 42.22 45.97 47.19 1.02 VTT 2008-10-21 CEN/TS 15104 CEN/TS 15104
Hydrogen wt% 5.59 6.09 6.25 1.22 VTT 2008-10-21 CEN/TS 15104 CEN/TS 15104
Nitrogen wt% 0.05 0.05 0.05 1.40 VTT 2008-10-21 CEN/TS 15104 CEN/TS 15104
Sulphur wt% 0.01 0.01 0.01 1.76 VTT 2008-10-21 CEN/TS15289 CEN/TS15289
Oxygen wt% 41.60 45.29 46.50
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values
Net calorific value (LHV) MJ/kg 16.96 18.68 19.18 0.00 VTT 2008-10-21 CEN/TS 14918 CEN/TS 14918
Gross calorific value (HHV) MJ/kg 18.38 20.01 20.54 0.01 VTT 2008-10-21 CEN/TS 14918
HHVMilne MJ/kg 16.76 18.24 18.73 Calculated

Physical Properties

Ash melting behaviour

European standard method
SH (shrinkage temperature) °C 1 100
DEF (deformation temperature) °C 1 140
HE (hemispherical temperature) °C 1 200
FL (flow temperature) °C 1 340

Particle size distribution
0.5-1.0 mm wt% 99.50 CEN/TS 15149-1,2