Biochar from a blend of greenhouse waste (tomato leaves and stems) and clean wood (#3522)

ID-number#3522
MaterialBiochar from a blend of greenhouse waste (tomato leaves and stems) and clean wood
DescriptionGreenhouse waste (tomato residues) and green waste (clean wood) blend (20 - 80 % in weight) biochar, large scale air gasification 670oC
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
SubmitterLydia Fryda
Submitter organisationECN (Netherlands)
Submission date2015-09-03
RemarksBiochar produced in the large scale gasifier at ECN, from a blend of greenhouse waste(tomato residues see ID 3517) and clean wood (20 - 80 % in weight), gasification temp. @670oC
LiteratureAnalysis carried out by ECN and EUROFINS Germany, Biochar Basic package analysis

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 3.30 EUROFINS DIN 51718
Ash content wt% (dry) EUROFINS
Volatile matter wt% 13.05 13.50 18.85 EUROFINS DIN 51720
Ash content at 550°C wt% 27.46 28.40 Analogue DIN 51719
Ash content at 815°C wt% 21.85 22.60 Analogue DIN 51719
Fixed carbon wt% 56.18 58.10 81.15 Calculated

Ultimate Analysis

Carbon wt% 65.66 67.90 94.83
Hydrogen wt% 1.36 1.41 1.97
Nitrogen wt% 0.92 0.95 1.33
Sulphur wt% 1.01 1.04 1.45
Oxygen wt% 0.29 0.30 0.42
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

HHVMilne MJ/kg 23.82 24.63 34.40 Calculated

Chemical Analyses

Major elements

Potassium (K) mg/kg (dry) 36 000.0 DIN EN ISO 11885
Sodium (Na) mg/kg (dry) 610.0 DIN EN ISO 11885
Calcium (Ca) mg/kg (dry) 55 000.0 DIN EN ISO 11885
Silicon (Si) mg/kg (dry) 20 000.0 DIN EN ISO 11885
Magnesium (Mg) mg/kg (dry) 5 300.0 DIN EN ISO 11885
Iron (Fe) mg/kg (dry) 440.0 DIN EN ISO 11885
Phosphorus (P) mg/kg (dry) 6 600.0 DIN EN ISO 11885

Minor elements

Cadmium (Cd) mg/kg (dry) 0.0 DIN EN ISO 17294-2
Chromium (Cr) mg/kg (dry) 10.0 DIN EN ISO 17294-2
Copper (Cu) mg/kg (dry) 24.0 DIN EN ISO 17294-2
Manganese (Mn) mg/kg (dry) 460.0 DIN EN ISO 17294-2
Nickel (Ni) mg/kg (dry) 12.0 DIN EN ISO 17294-2
Lead (Pb) mg/kg (dry) 100.0 DIN EN ISO 17294-2
Zinc (Zn) mg/kg (dry) 140.0 DIN EN ISO 17294-2
Mercury (Hg) mg/kg (dry) 0.0 DIN EN ISO 17294-2

Other elements

Boron (B) mg/kg (dry) 130.0 DIN EN ISO 17294-2

Special components

pH pH 11.0 DIN ISO 10390
Total sum of PAH mg/kg (dry) 1.3 analogue DIN EN 15527
Conductivity mS/m 25 °C 938 BGK Chapt. III C2

Physical Properties

Commonly used properties

Particle density kg/m³ 1 780 DIN 66137
Bulk density (ar) kg/m³ (ar) 113 DIN 51705
Water holding capacity wt% 210.00 DIN EN ISO 14238, A
Specific surface area (BET) m²/g 81.00 DIN 66132/ ISO 9277