wood, Pyrenean oak, pellets from branches 20 - 70 mm (#2856)

ID-number#2856
Materialwood, Pyrenean oak, pellets from branches 20 - 70 mm
Descriptionpellets
Classification ECN Phyllis classification ▸ untreated wood ▸ oak
NTA 8003 classification ▸ [100] hout ▸ [110] vers hout ▸ [120] loofhout ▸ [126] hard loofhout met schors
Sample lot size6 mm
Ash typeCEN/TS 14775 (550°C)
Submitter organisationECN (Netherlands)
Submission date2009-07-20
RemarksC,H,N according to CEN/TS 15104; S acc CEN/TS 15289, O by diff.; moisture by CEN/TS 14774-2; heating value acc UNE 164001 EX; collection, sampling and preparation acc to CEN standards; for raw material see record 2853
LiteratureM.T. Miranda, J.I. Arranz, S. Rojas, I. Montero: Energetic characterization of densified residues from Pyrenean oak forest. Fuel 88 (2009) 2106-2112.

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 5.58
Ash content wt% 2.65 2.81
Volatile matter wt% 76.05 80.54 82.87
Fixed carbon wt% 15.72 16.65 17.13 Calculated

Ultimate Analysis

Carbon wt% 46.15 48.88 50.29 Measured
Hydrogen wt% 5.80 6.14 6.32 Measured
Nitrogen wt% 1.17 1.24 1.28 Measured
Sulphur wt% (dry) 0.10
Oxygen wt% 38.55 40.83 42.01 Calculated
Total (with halides) wt% 99.91 99.90 99.90 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 16.72 17.85 18.37
Gross calorific value (HHV) MJ/kg 18.12 19.19 19.74
HHVMilne MJ/kg 18.60 19.69 20.26 Calculated

Physical Properties

Commonly used properties

Bulk density (daf) kg/m³ (daf) 685