wood, Pyrenean oak, branches <20 mm diameter (#2852)

ID-number#2852
Materialwood, Pyrenean oak, branches <20 mm diameter
Descriptionchips
Classification ECN Phyllis classification ▸ untreated wood ▸ oak
NTA 8003 classification ▸ [100] hout ▸ [110] vers hout ▸ [120] loofhout ▸ [126] hard loofhout met schors
Sample lot size<63 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 medium and larger branches see next records
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% 42.21
Ash content wt% 2.34 4.05
Volatile matter wt% 44.76 77.45 80.72
Fixed carbon wt% 10.69 18.50 19.28 Calculated

Ultimate Analysis

Carbon wt% 28.18 48.76 50.82 Measured
Hydrogen wt% 3.67 6.35 6.62 Measured
Nitrogen wt% 1.62 2.81 2.93 Measured
Sulphur wt% (dry) 0.10
Oxygen wt% 21.92 37.93 39.53 Calculated
Total (with halides) wt% 99.94 99.90 99.90 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 9.26 17.81 18.57
Gross calorific value (HHV) MJ/kg 11.10 19.20 20.01
HHVMilne MJ/kg 11.60 20.07 20.92 Calculated

Chemical Analyses

Biochemical composition

Cellulose wt% (dry) 39.69 van Soest
Hemicellulose wt% (dry) 9.81 van Soest
Lignin wt% (dry) 26.98 Measured
Total ash + biochemical wt% (dry) 80.53 Calculated

Physical Properties

Commonly used properties

Bulk density (daf) kg/m³ (daf) 209