wheat stems (#714)

ID-number#714
Materialwheat stems
Classification ECN Phyllis classification ▸ straw (stalk/cob/ear) ▸ wheat
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [220] stro ▸ [223] tarwestro
Submitter organisationECN (Netherlands)
Literaturehttp://rredc.nrel.gov:80/biomass/doe/nrel/comp/alki/appendix.html (1998). Link obsolete. Instead, try http://www.nrel.gov/rredc/biomass_resource.html

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 15.82
Ash content wt% 4.96 5.89
Volatile matter wt% 66.44 78.93 83.87
Fixed carbon wt% 12.78 15.18 16.13 Calculated

Ultimate Analysis

Carbon wt% 39.07 46.41 49.32 Measured
Hydrogen wt% 4.77 5.67 6.02 Measured
Nitrogen wt% 0.58 0.69 0.73 Measured
Sulphur wt% 0.08 0.10 0.10 Measured
Oxygen wt% 34.35 40.81 43.36 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 13.94 17.02 18.08
Gross calorific value (HHV) MJ/kg 15.36 18.25 19.39
HHVMilne MJ/kg 15.37 18.26 19.40 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 3 700.0 4 395.3 4 670.5 Measured

Ash Properties

Ash composition

P2O5 wt% (ash) 2.77
SiO2 wt% (ash) 57.79
Fe2O3 wt% (ash) 0.58
Al2O3 wt% (ash) 0.38
CaO wt% (ash) 7.62
MgO wt% (ash) 1.67
Na2O wt% (ash) 0.72
K2O wt% (ash) 11.73