Biochar from oak wood 400/60/0 (#3534)

ID-number#3534
MaterialBiochar from oak wood 400/60/0
DescriptionOak wood, used as reference material in FP7 FERTIPLUS, pyrolysed at 400oC, 60 minutes, 0% oxygen, in the ECN slow pyrolysis reactor Pyromaat. The biochar has been characterized according to the European Biochar Certificate and at ECN laboratories
Classification CEN/TS 14961 classification ▸ Ashes and residues from biomass conversion
ECN Phyllis classification ▸ Biochar ▸ European Biochar Certificate
NTA 8003 classification ▸ [800] samengestelde stromen ▸ [804] brandstof na carbonisatie
Sample date2012-12-10
Sample locationECN, Petten
Sample lot size20 kg
Combustion temperature400oC
CountryThe Nethelands
ProducerECN, Netherlands
Production date2012-12-10
SubmitterLydia Fryda
Submitter organisationECN (Netherlands)
Submission date2015-10-08

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 2.50 0.10 EUROFINS DIN 51718
Volatile matter wt% 23.40 24.00 26.91 ECN EN 15148
Ash content at 550°C wt% 10.53 10.80 0.10 EUROFINS Analogue DIN 51719
Fixed carbon wt% 63.57 65.20 73.09 Calculated

Ultimate Analysis

Carbon wt% 69.62 71.40 80.04 0.10 EUROFINS DIN 51732
Hydrogen wt% 3.22 3.30 3.70 0.10 EUROFINS DIN 51732
Nitrogen wt% 0.33 0.34 0.38 0.05 EUROFINS DIN 51732
Sulphur wt% 0.04 0.04 0.04 0.03 EUROFINS DIN 51724-3
Oxygen wt% 13.75 14.10 15.81 EUROFINS DIN 51733
Total (with halides) wt% 100.14 100.14 100.16 Calculated

Calorific Values

Gross calorific value (HHV) MJ/kg 23.64 24.25 27.19 ECN EN 14918
HHVMilne MJ/kg 26.16 26.83 30.08 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 1 512.2 1 551.0 1 738.8 ECN BS EN 15289
Bromine (Br) mg/kg 14.6 15.0 16.8 ECN BS EN 15289
Fluorine (F) mg/kg 34.1 35.0 39.2 ECN BS EN 15289

Major elements

Aluminium (Al) mg/kg (dry) 2 065.0 ECN NEN 6966
Potassium (K) mg/kg (dry) 10 193.0 ECN NEN 6966
Sodium (Na) mg/kg (dry) 1 315.0 ECN NEN 6966
Calcium (Ca) mg/kg (dry) 31 857.0 ECN NEN 6966
Silicon (Si) mg/kg (dry) 15 966.0 ECN NEN 6966
Magnesium (Mg) mg/kg (dry) 1 914.0 ECN NEN 6966
Iron (Fe) mg/kg (dry) 1 659.0 ECN NEN 6966
Phosphorus (P) mg/kg (dry) 718.0 ECN NEN 6966
Titanium (Ti) mg/kg (dry) 235.0 ECN NEN 6966

Minor elements

Arsenic (As) mg/kg (dry) 3.4 3.0 ECN NEN 6966
Cadmium (Cd) mg/kg (dry) 0.3 0.3 ECN NEN 6966
Cobalt (Co) mg/kg (dry) 1.3 1.0 ECN NEN 6966
Chromium (Cr) mg/kg (dry) 23.8 2.0 ECN NEN 6966
Copper (Cu) mg/kg (dry) 23.9 2.0 ECN NEN 6966
Manganese (Mn) mg/kg (dry) 54.0 2.0 ECN NEN 6966
Nickel (Ni) mg/kg (dry) 14.6 2.0 ECN NEN 6966
Lead (Pb) mg/kg (dry) 19.0 3.0 ECN NEN 6966
Vanadium (V) mg/kg (dry) 7.5 3.0 ECN NEN 6966
Zinc (Zn) mg/kg (dry) 83.0 3.0 ECN NEN 6966
Barium (Ba) mg/kg (dry) 53.0 3.0 ECN NEN 6966
Molybdenium (Mo) mg/kg (dry) 3.5 3.0 ECN NEN 6966

Other elements

Tin (Sn) mg/kg (dry) 11.3 2.0 ECN NEN 6966
Strontium (Sr) mg/kg (dry) 76.0 2.0 ECN NEN 6966
Boron (B) mg/kg (dry) 14.6 2.0 ECN NEN 6966
Antimony (Sb) mg/kg (dry) 8.2 2.0 ECN NEN 6966
Tungsten (W) mg/kg (dry) 3.0 3.0 ECN NEN 6966

Special components

Chlorine (Cl) wt% (daf) 0.16 ECN BS EN 15289
pH pH 8.3 EUROFINS DIN ISO 10390
Total sum of PAH mg/kg (dry) 8.2 EUROFINS analogue DIN EN 15527
Conductivity mS/m 25 °C 132 EUROFINS BGK Chapter III C2

Physical Properties

Commonly used properties

Particle density kg/m³ 1 560 EUROFINS DIN 66137
Bulk density (ar) kg/m³ (ar) 273 EUROFINS DIN 51705
Water holding capacity wt% 7.50 EUROFINS DIN EN ISO 14238
Specific surface area (BET) m²/g 17.20 EUROFINS DIN 66132/ISO 9277