Stump Chips (#3173)

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ID-number#3173
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 date2008-02-10
Sample lot size250 ton
CountryFinland
Production date2008-02-10
Submitter organisationECN (Netherlands)
RemarksAndris Deksnis, 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% 8.13 VTT 2008-10-21 CEN/TS 14774-1,2,3 CEN/TS 14774-:2004 1 Solid biofuels - Methods for determination of moisture content - Oven dry method - Part 1: Total moisture - Reference method
Volatile matter wt% 76.52 83.29 84.86 0.60 VTT 2008-10-21 CEN/TS 15148:2005
Ash content at 550°C wt% 1.70 1.85 12.69 VTT 2008-10-21 CEN/TS 14775 CEN/TS 14775 2004 Solid biofuels - Method for the determination of ash content
Fixed carbon wt% 13.65 14.86 15.14 Calculated

Ultimate Analysis
Carbon wt% 43.18 47.01 47.89 0.70 VTT 2008-10-21 CEN/TS 15104 CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
Hydrogen wt% 5.71 6.22 6.33 0.70 VTT 2008-10-21 CEN/TS 15104 CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
Nitrogen wt% 0.05 0.05 0.05 1.40 VTT 2008-10-21 CEN/TS 15104 CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
Sulphur wt% 0.01 0.01 0.01 3.80 VTT 2008-10-21 CEN/TS15289 CEN/TS15289:2005 Solid Biofuels - Determination of total content of sulphur and chlorine
Oxygen wt% 41.22 44.87 45.71 VTT 2008-10-21
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values
Net calorific value (LHV) MJ/kg 17.28 19.02 19.38 0.40 VTT 2008-10-21 CEN/TS 14918 CEN/TS 14918:2005 Solid Biofuels - Method for the determination of calorific value
Gross calorific value (HHV) MJ/kg 18.72 20.37 20.76 0.40 VTT 2008-10-21 CEN/TS 14918:2005 Solid Biofuels - Method for the determination of calorific value
HHVMilne MJ/kg 17.30 18.83 19.19 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% 99.40 CEN/TS 15149-1,2