wood, Pyrenean oak, pellets from branches < 20 mm (#2855)

ID-number#2855
Materialwood, Pyrenean oak, pellets from branches < 20 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 taw material see record 2852
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% 8.37
Ash content wt% 3.04 3.32
Volatile matter wt% 72.67 79.31 82.03
Fixed carbon wt% 15.92 17.37 17.97 Calculated

Ultimate Analysis

Carbon wt% 45.95 50.15 51.87 Measured
Hydrogen wt% 5.59 6.10 6.31 Measured
Nitrogen wt% 1.35 1.47 1.52 Measured
Sulphur wt% (dry) 0.10
Oxygen wt% 35.61 38.86 40.19 Calculated
Total (with halides) wt% 99.91 99.90 99.90 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 16.39 18.11 18.73
Gross calorific value (HHV) MJ/kg 17.81 19.44 20.11
HHVMilne MJ/kg 18.58 20.28 20.97 Calculated

Physical Properties

Commonly used properties

Bulk density (daf) kg/m³ (daf) 686