wood, willow chips (#1091)

ID-number#1091
Materialwood, willow chips
Classification ECN Phyllis classification ▸ untreated wood ▸ willow
NTA 8003 classification ▸ [100] hout ▸ [110] vers hout ▸ [120] loofhout ▸ [122] zacht loofhout
Ash type815 degC
Submitter organisationECN (Netherlands)
Remarkschips <10 mm
LiteratureECN laboratories.

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 3.45
Ash content wt% 1.55 1.61
Volatile matter wt% 77.98 80.77 82.09
Fixed carbon wt% 17.01 17.62 17.91 Calculated

Ultimate Analysis

Carbon wt% 47.02 48.70 49.50 Measured
Hydrogen wt% 5.64 5.84 5.94 Measured
Nitrogen wt% 0.40 0.41 0.42 Measured
Sulphur wt% 0.03 0.04 0.04 Measured
Oxygen wt% 41.90 43.40 44.11 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 17.61 18.33 18.63
Gross calorific value (HHV) MJ/kg 18.92 19.60 19.92
HHVMilne MJ/kg 18.39 19.05 19.36 Calculated

Chemical Analyses

Halides

Fluorine (F) mg/kg 96.6 100.0 101.6 Measured

Major elements

Aluminium (Al) mg/kg (dry) 100.0 Measured
Potassium (K) mg/kg (dry) 2 000.0 Measured
Sodium (Na) mg/kg (dry) 120.0 Measured
Calcium (Ca) mg/kg (dry) 4 000.0 Measured
Silicon (Si) mg/kg (dry) 1 800.0 Measured
Magnesium (Mg) mg/kg (dry) 360.0 Measured
Iron (Fe) mg/kg (dry) 110.0 Measured
Phosphorus (P) mg/kg (dry) 660.0 Measured
Titanium (Ti) mg/kg (dry) 9.0 Measured

Minor elements

Arsenic (As) mg/kg (dry) 1.4
Cadmium (Cd) mg/kg (dry) 1.7 Measured
Cobalt (Co) mg/kg (dry) 0.9
Chromium (Cr) mg/kg (dry) 45.0 Measured
Copper (Cu) mg/kg (dry) 7.0 Measured
Manganese (Mn) mg/kg (dry) 8.0 Measured
Nickel (Ni) mg/kg (dry) 78.0 Measured
Lead (Pb) mg/kg (dry) 135.0 Measured
Vanadium (V) mg/kg (dry) 0.2 Measured
Zinc (Zn) mg/kg (dry) 62.0 Measured
Barium (Ba) mg/kg (dry) 4.0 Measured
Molybdenium (Mo) mg/kg (dry) 0.5
Selenium (Se) mg/kg (dry) 1.0

Other elements

Tin (Sn) mg/kg (dry) 0.3 Measured
Strontium (Sr) mg/kg (dry) 14.0 Measured
Boron (B) mg/kg (dry) 9.0 Measured
Antimony (Sb) mg/kg (dry) 4.0