wheat straw waste excl. dust, fine fibres etc. (#2038)

ID-number#2038
Materialwheat straw waste excl. dust, fine fibres etc.
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% 9.40
Ash content wt% 17.00 18.76
Volatile matter wt% 58.40 64.46 79.35
Fixed carbon wt% 15.20 16.78 20.65 Calculated

Ultimate Analysis

Carbon wt% 34.72 38.32 47.17 Measured
Hydrogen wt% 4.44 4.90 6.03 Measured
Nitrogen wt% 0.90 0.99 1.22 Measured
Sulphur wt% 0.27 0.30 0.37 Measured
Oxygen wt% 31.40 34.66 42.66 Measured
Total (with halides) wt% 99.24 99.16 98.97 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 13.42 15.06 18.54
Gross calorific value (HHV) MJ/kg 14.61 16.13 19.85
HHVMilne MJ/kg 13.64 15.05 18.53 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 11 189.1 12 350.0 15 201.9 Measured

Major elements

Potassium (K) mg/kg (dry) 24 400.0 Measured
Sodium (Na) mg/kg (dry) 2 300.0 Measured
Calcium (Ca) mg/kg (dry) 9 500.0 Measured
Silicon (Si) mg/kg (dry) 26 500.0 Measured
Magnesium (Mg) mg/kg (dry) 3 200.0 Measured
Iron (Fe) mg/kg (dry) 3 200.0 Measured
Phosphorus (P) mg/kg (dry) 920.0 Measured

Minor elements

Arsenic (As) mg/kg (dry) 0.2 Measured
Cadmium (Cd) mg/kg (dry) 0.1 Measured
Cobalt (Co) mg/kg (dry) 1.6 Measured
Chromium (Cr) mg/kg (dry) 12.0 Measured
Copper (Cu) mg/kg (dry) 6.0 Measured
Nickel (Ni) mg/kg (dry) 6.0 Measured
Lead (Pb) mg/kg (dry) 1.6 Measured
Zinc (Zn) mg/kg (dry) 18.0 Measured
Barium (Ba) mg/kg (dry) 74.0 Measured
Molybdenium (Mo) mg/kg (dry) 1.1 Measured

Other elements

Tin (Sn) mg/kg (dry) 0.4