Straw pellets char 550 deg C (#2711)

ID-number#2711
MaterialStraw pellets char 550 deg C
Classification ECN Phyllis classification ▸ Biochar ▸ Straw
NTA 8003 classification ▸ [800] samengestelde stromen ▸ [804] brandstof na carbonisatie
Submitter organisationECN (Netherlands)
Submission date2003-10-20
RemarksChinese straw pellets char 550 deg C
LiteratureECN laboratories.

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 0.10
Ash content wt% 49.55 49.60
Volatile matter wt% 8.09 8.10 16.07
Fixed carbon wt% 42.26 42.30 83.93 Calculated

Ultimate Analysis

Carbon wt% 42.46 42.50 84.33 Measured
Hydrogen wt% 1.40 1.40 2.78 Measured
Nitrogen wt% 0.80 0.80 1.59 Measured
Sulphur wt% 0.49 0.49 0.97 Measured
Oxygen wt% 5.03 5.04 10.00 Measured
Total (with halides) wt% 102.48 102.49 104.93 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 19.87 19.89 39.47
Gross calorific value (HHV) MJ/kg 20.18 20.20 40.08
HHVMilne MJ/kg 15.28 15.29 30.34 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 26 373.6 26 400.0 52 381.0 Measured
Fluorine (F) mg/kg 169.8 170.0 337.3 Measured

Major elements

Aluminium (Al) mg/kg (dry) 15 637.5 Measured
Potassium (K) mg/kg (dry) 53 451.8 Measured
Sodium (Na) mg/kg (dry) 7 849.5 Measured
Calcium (Ca) mg/kg (dry) 21 798.0 Measured
Silicon (Si) mg/kg (dry) 75 783.7 Measured
Magnesium (Mg) mg/kg (dry) 9 189.7 Measured
Iron (Fe) mg/kg (dry) 8 574.9 Measured
Phosphorus (P) mg/kg (dry) 2 741.5 Measured
Titanium (Ti) mg/kg (dry) 533.6 Measured

Minor elements

Arsenic (As) mg/kg (dry) 1.9
Cadmium (Cd) mg/kg (dry) 0.2 Measured
Cobalt (Co) mg/kg (dry) 3.5 Measured
Chromium (Cr) mg/kg (dry) 35.2 Measured
Copper (Cu) mg/kg (dry) 16.0 Measured
Manganese (Mn) mg/kg (dry) 276.6 Measured
Nickel (Ni) mg/kg (dry) 91.3 Measured
Lead (Pb) mg/kg (dry) 11.3 Measured
Vanadium (V) mg/kg (dry) 18.5 Measured
Zinc (Zn) mg/kg (dry) 43.4 Measured
Barium (Ba) mg/kg (dry) 228.8 Measured
Molybdenium (Mo) mg/kg (dry) 2.0 Measured
Selenium (Se) mg/kg (dry) 2.1

Other elements

Tin (Sn) mg/kg (dry) 0.5 Measured
Strontium (Sr) mg/kg (dry) 197.0 Measured
Boron (B) mg/kg (dry) 28.3 Measured
Antimony (Sb) mg/kg (dry) 3.3 Measured

Physical Properties

Commonly used properties

Bulk density (ar) kg/m³ (ar) 100