waste wheat straw (China) (#2321)

ID-number#2321
Materialwaste wheat straw (China)
Classification ECN Phyllis classification ▸ straw (stalk/cob/ear) ▸ wheat
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [220] stro ▸ [223] tarwestro
Ash type550 deg C
Submitter organisationECN (Netherlands)
Submission date2002-11-15
RemarksStraw (WSW) from China
LiteratureECN laboratories.

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 10.06
Ash content wt% 16.95 18.85

Ultimate Analysis

Carbon wt% 34.70 38.58 47.54 Measured
Hydrogen wt% 4.56 5.07 6.25 Measured
Nitrogen wt% 0.96 1.07 1.32 Measured
Sulphur wt% 0.26 0.29 0.36 Measured
Oxygen wt% 32.63 36.28 44.71 Measured
Total (with halides) wt% 101.45 101.61 101.98 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 13.32 15.08 18.58
Gross calorific value (HHV) MJ/kg 14.56 16.19 19.95
HHVMilne MJ/kg 13.64 15.16 18.68 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 13 221.2 14 700.0 18 114.6 Measured

Major elements

Aluminium (Al) mg/kg (dry) 5 041.0 Measured
Potassium (K) mg/kg (dry) 22 450.0 Measured
Sodium (Na) mg/kg (dry) 2 800.0 Measured
Calcium (Ca) mg/kg (dry) 8 172.0 Measured
Silicon (Si) mg/kg (dry) 30 000.0 Measured
Magnesium (Mg) mg/kg (dry) 3 400.0 Measured
Iron (Fe) mg/kg (dry) 2 455.5 Measured
Phosphorus (P) mg/kg (dry) 1 015.0 Measured
Titanium (Ti) mg/kg (dry) 179.0 Measured

Minor elements

Arsenic (As) mg/kg (dry) 1.3 Measured
Cadmium (Cd) mg/kg (dry) 0.1 Measured
Cobalt (Co) mg/kg (dry) 2.3 Measured
Chromium (Cr) mg/kg (dry) 81.2 Measured
Copper (Cu) mg/kg (dry) 5.7 Measured
Manganese (Mn) mg/kg (dry) 100.0 Measured
Nickel (Ni) mg/kg (dry) 423.0 Measured
Lead (Pb) mg/kg (dry) 5.2 Measured
Vanadium (V) mg/kg (dry) 5.9 Measured
Zinc (Zn) mg/kg (dry) 17.0 Measured
Barium (Ba) mg/kg (dry) 86.4 Measured
Molybdenium (Mo) mg/kg (dry) 1.5 Measured
Selenium (Se) mg/kg (dry) 0.2

Other elements

Tin (Sn) mg/kg (dry) 0.8
Strontium (Sr) mg/kg (dry) 75.0 Measured
Boron (B) mg/kg (dry) 27.2 Measured
Antimony (Sb) mg/kg (dry) 0.7