Biochar from bamboo stems (Bambusa vulgaris) (#3514)

ID-number#3514
MaterialBiochar from bamboo stems (Bambusa vulgaris)
DescriptionBamboo stems imported from Colombia, pyrolysed slowly at 400oC for 60 min in an auger type (screw) pyrolyser (Pyromaat)
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 date2014-10-20
Sample lot size10kg
Combustion temperature400oC
ProducerECN, Netherlands
SubmitterLydia Fryda
Submitter organisationECN (Netherlands)
Submission date2015-06-30
RemarksBiochar produced at ECN, pyrolysed slowly at 400oC for 60 min in an auger type (screw) pyrolyser (Pyromaat), original material bamboo variety see ID 3512
LiteratureBiochar materials analyzed at EUROFINS, Germany (European Biochar Certificate)

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 2.80 0.10 EUROFINS DIN 51718
Ash content at 550°C wt% 12.05 12.40 0.10 EUROFINS DIN 51719

Ultimate Analysis

Carbon wt% 71.03 73.08 83.42 0.30 EUROFINS DIN 51732
Hydrogen wt% 3.16 3.25 3.71 0.10 EUROFINS DIN 51732
Nitrogen wt% 0.55 0.57 0.65 0.05 EUROFINS DIN 51732
Sulphur wt% 0.10 0.10 0.11 0.03 EUROFINS DIN 51732
Oxygen wt% 10.30 10.60 12.10 EUROFINS DIN 51733
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

HHVMilne MJ/kg 26.94 27.72 31.64 Calculated

Chemical Analyses

Major elements

Potassium (K) mg/kg (dry) 11 000.0 EUROFINS DIN EN ISO 17294-2
Sodium (Na) mg/kg (dry) 180.0 EUROFINS DIN EN ISO 17294-2
Calcium (Ca) mg/kg (dry) 1 700.0 EUROFINS DIN EN ISO 17294-2
Silicon (Si) mg/kg (dry) 45 000.0 EUROFINS DIN EN ISO 17294-2
Magnesium (Mg) mg/kg (dry) 2 000.0 EUROFINS DIN EN ISO 17294-2
Iron (Fe) mg/kg (dry) 170.0 EUROFINS DIN EN ISO 17294-2
Phosphorus (P) mg/kg (dry) 1 900.0 EUROFINS DIN EN ISO 11885

Minor elements

Chromium (Cr) mg/kg (dry) 6.0 1.0 EUROFINS DIN 51733
Copper (Cu) mg/kg (dry) 12.0 1.0 EUROFINS DIN EN ISO 17294-2
Manganese (Mn) mg/kg (dry) 2 270.0 EUROFINS DIN EN ISO 17294-2
Nickel (Ni) mg/kg (dry) 11.0 1.0 EUROFINS DIN EN ISO 17294-2
Lead (Pb) mg/kg (dry) 2.0 2.0 EUROFINS DIN EN ISO 17294-2
Zinc (Zn) mg/kg (dry) 62.0 EUROFINS DIN EN ISO 17294-2

Other elements

Boron (B) mg/kg (dry) 87.0 1.0 EUROFINS DIN EN ISO 17294-2

Special components

pH pH 6.4 EUROFINS DIN EN ISO 10390
Total sum of PAH mg/kg (dry) 65.1 0.1 EUROFINS 16 EPA
Conductivity mS/m 25 °C 7 0 EUROFINS BGK Chapt. III C2

Physical Properties

Commonly used properties

Bulk density (ar) kg/m³ (ar) 207 EUROFINS DIN 51705
Water holding capacity wt% 105.80 EUROFINS DIN EN ISO 14238
Specific surface area (BET) m²/g 4.00 EUROFINS DIN 66132 ISO 9277