stump chips (#3174)

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ID-number#3174
Materialstump chips
Alternative nameSpruce
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
CountryFinland
Production date2008-10-02
Submitter organisationECN (Netherlands)
RemarksJaana Korhonen

Values

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

Fuel Properties

Proximate Analysis
Moisture content wt% 8.40 0.00 VTT 2008-10-21 CEN/TS 14774-1,2,3
Volatile matter wt% 75.20 82.10 83.99 0.09 VTT 2008-10-23
Ash content at 550°C wt% 2.06 2.25 5.30 VTT 2008-10-21 CEN/TS 14775
Fixed carbon wt% 14.34 15.65 16.01 Calculated

Ultimate Analysis
Carbon wt% 42.50 46.40 47.47 0.40 VTT 2008-10-23 CEN/TS 15104
Hydrogen wt% 5.68 6.20 6.34 0.66 VTT 2008-10-23 CEN/TS 15104
Nitrogen wt% 0.05 0.06 0.06 12.30 VTT 2008-10-23 CEN/TS 15104
Sulphur wt% 0.01 0.02 0.02 5.30 VTT 2008-10-23 CEN/TS15289
Oxygen wt% 41.29 45.08 46.11 VTT 2008-10-23
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values
Net calorific value (LHV) MJ/kg 17.10 18.89 19.32 0.29 VTT 2008-10-21 CEN/TS 14918
Gross calorific value (HHV) MJ/kg 18.55 20.25 20.72 0.29 VTT 2008-10-21
HHVMilne MJ/kg 17.01 18.57 19.00 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% 99.80 CEN/TS 15149-1,2