Chinese straw pellets (#2709)

ID-number#2709
MaterialChinese straw pellets
Classification ECN Phyllis classification ▸ straw (stalk/cob/ear) ▸ others
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [220] stro ▸ [229] overig stro
Submitter organisationECN (Netherlands)
Submission date2003-10-20
RemarksChinese straw pellets
LiteratureECN laboratories.

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 7.90
Ash content wt% 17.78 19.30
Volatile matter wt% 58.58 63.60 78.81
Fixed carbon wt% 15.75 17.10 21.19 Calculated

Ultimate Analysis

Carbon wt% 33.52 36.40 45.11 Measured
Hydrogen wt% 4.42 4.80 5.95 Measured
Nitrogen wt% 0.83 0.90 1.12 Measured
Sulphur wt% 0.27 0.29 0.36 Measured
Oxygen wt% 33.62 36.50 45.23 Measured
Total (with halides) wt% 99.52 99.48 99.35 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 13.76 15.15 18.78
Gross calorific value (HHV) MJ/kg 14.92 16.20 20.07
HHVMilne MJ/kg 12.94 14.05 17.41 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 11 788.8 12 800.0 15 861.2 Measured
Fluorine (F) mg/kg 64.5 70.0 86.7 Measured

Major elements

Aluminium (Al) mg/kg (dry) 5 883.0 Measured
Potassium (K) mg/kg (dry) 21 561.3 Measured
Sodium (Na) mg/kg (dry) 3 230.7 Measured
Calcium (Ca) mg/kg (dry) 8 531.0 Measured
Silicon (Si) mg/kg (dry) 29 856.8 Measured
Magnesium (Mg) mg/kg (dry) 3 674.1 Measured
Iron (Fe) mg/kg (dry) 3 351.1 Measured
Phosphorus (P) mg/kg (dry) 1 177.7 Measured
Titanium (Ti) mg/kg (dry) 199.0 Measured

Minor elements

Arsenic (As) mg/kg (dry) 2.6 Measured
Cadmium (Cd) mg/kg (dry) 0.1 Measured
Cobalt (Co) mg/kg (dry) 1.4 Measured
Chromium (Cr) mg/kg (dry) 36.4 Measured
Copper (Cu) mg/kg (dry) 6.1 Measured
Manganese (Mn) mg/kg (dry) 111.9 Measured
Nickel (Ni) mg/kg (dry) 117.6 Measured
Lead (Pb) mg/kg (dry) 8.4 Measured
Vanadium (V) mg/kg (dry) 6.7 Measured
Zinc (Zn) mg/kg (dry) 18.4 Measured
Barium (Ba) mg/kg (dry) 86.8 Measured
Molybdenium (Mo) mg/kg (dry) 0.6 Measured
Selenium (Se) mg/kg (dry) 0.5 Measured

Other elements

Tin (Sn) mg/kg (dry) 0.9 Measured
Strontium (Sr) mg/kg (dry) 77.1 Measured
Boron (B) mg/kg (dry) 14.5 Measured
Antimony (Sb) mg/kg (dry) 7.7 Measured

Physical Properties

Commonly used properties

Bulk density (ar) kg/m³ (ar) 8