wood, Pyrenean oak, pellets from branches > 70 mm (#2857)

ID-number#2857
Materialwood, Pyrenean oak, pellets from branches > 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 2854
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% 6.32
Ash content wt% 2.25 2.40
Volatile matter wt% 76.36 81.51 83.51
Fixed carbon wt% 15.07 16.09 16.49 Calculated

Ultimate Analysis

Carbon wt% 47.96 51.20 52.46 Measured
Hydrogen wt% 5.97 6.37 6.53 Measured
Nitrogen wt% 1.77 1.89 1.94 Measured
Sulphur wt% (dry) 0.10
Oxygen wt% 35.64 38.04 38.98 Calculated
Total (with halides) wt% 99.91 99.90 99.90 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 16.62 17.91 18.35
Gross calorific value (HHV) MJ/kg 18.08 19.30 19.77
HHVMilne MJ/kg 19.72 21.05 21.57 Calculated

Physical Properties

Commonly used properties

Bulk density (daf) kg/m³ (daf) 677