wood, Pyrenean oak, branches >70 mm diameter (#2854)

ID-number#2854
Materialwood, Pyrenean oak, branches >70 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 small and medium branches see previous 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% 41.27
Ash content wt% 1.22 2.07
Volatile matter wt% 48.01 81.75 83.48
Fixed carbon wt% 9.50 16.18 16.52 Calculated

Ultimate Analysis

Carbon wt% 28.53 48.57 49.60 Measured
Hydrogen wt% 4.00 6.81 6.95 Measured
Nitrogen wt% 1.40 2.39 2.44 Measured
Sulphur wt% (dry) 0.10
Oxygen wt% 23.53 40.06 40.91 Calculated
Total (with halides) wt% 99.94 99.90 99.90 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 9.38 17.68 18.06
Gross calorific value (HHV) MJ/kg 11.26 19.17 19.58
HHVMilne MJ/kg 12.00 20.44 20.87 Calculated

Chemical Analyses

Biochemical composition

Cellulose wt% (dry) 48.64 van Soest
Hemicellulose wt% (dry) 19.48 van Soest
Lignin wt% (dry) 19.10 Measured
Total ash + biochemical wt% (dry) 89.29 Calculated

Physical Properties

Commonly used properties

Bulk density (daf) kg/m³ (daf) 203