wheat straw waste (#2039)

ID-number#2039
Materialwheat straw waste
Classification ECN Phyllis classification ▸ straw (stalk/cob/ear) ▸ wheat
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [220] stro ▸ [223] tarwestro
Ash type550 degC
Submitter organisationECN (Netherlands)
Submission date2001-03-16
Remarkswheat straw from Chinese province Shangdong
LiteratureECN laboratories.

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 9.70
Ash content wt% 20.59 22.80
Volatile matter wt% 55.17 61.10 79.15
Fixed carbon wt% 14.54 16.10 20.85 Calculated

Ultimate Analysis

Carbon wt% 33.24 36.81 47.68 Measured
Hydrogen wt% 4.34 4.81 6.23 Measured
Nitrogen wt% 0.92 1.02 1.32 Measured
Sulphur wt% 0.25 0.27 0.35 Measured
Oxygen wt% 29.87 33.08 42.85 Measured
Total (with halides) wt% 99.95 99.95 99.93 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 12.89 14.54 18.83
Gross calorific value (HHV) MJ/kg 14.08 15.59 20.19
HHVMilne MJ/kg 13.16 14.57 18.87 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 10 447.7 11 570.0 14 987.0 Measured

Major elements

Potassium (K) mg/kg (dry) 22 900.0 Measured
Sodium (Na) mg/kg (dry) 1 800.0 Measured
Calcium (Ca) mg/kg (dry) 6 700.0 Measured
Silicon (Si) mg/kg (dry) 19 900.0 Measured
Magnesium (Mg) mg/kg (dry) 2 460.0 Measured
Iron (Fe) mg/kg (dry) 2 000.0 Measured
Phosphorus (P) mg/kg (dry) 840.0 Measured

Minor elements

Arsenic (As) mg/kg (dry) 0.9 Measured
Cadmium (Cd) mg/kg (dry) 0.1 Measured
Cobalt (Co) mg/kg (dry) 1.0 Measured
Chromium (Cr) mg/kg (dry) 8.0 Measured
Copper (Cu) mg/kg (dry) 4.8 Measured
Nickel (Ni) mg/kg (dry) 3.5 Measured
Lead (Pb) mg/kg (dry) 2.2 Measured
Zinc (Zn) mg/kg (dry) 15.0 Measured
Barium (Ba) mg/kg (dry) 54.0 Measured
Molybdenium (Mo) mg/kg (dry) 0.9 Measured

Other elements

Tin (Sn) mg/kg (dry) 0.4
Antimony (Sb) mg/kg (dry) 0.3 Measured