alfalfa stems (#716)

ID-number#716
Materialalfalfa stems
Classification ECN Phyllis classification ▸ grass/plant ▸ alfalfa ▸ alfalfa stems
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [240] gewassen ▸ [249] overige gewassen
Ash type ASTM D 1102, 600 Degree Celcius
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% 7.60
Ash content wt% 4.83 5.23
Volatile matter wt% 73.77 79.84 84.24
Fixed carbon wt% 13.80 14.94 15.76 Calculated

Ultimate Analysis

Carbon wt% 43.23 46.79 49.37 Measured
Hydrogen wt% 5.50 5.95 6.28 Measured
Nitrogen wt% 2.66 2.88 3.04 Measured
Sulphur wt% 0.18 0.19 0.21 Measured
Oxygen wt% 35.54 38.46 40.58 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 15.84 17.34 18.30
Gross calorific value (HHV) MJ/kg 17.22 18.64 19.67
HHVMilne MJ/kg 17.37 18.80 19.84 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 4 600.0 4 978.4 5 252.9 Measured

Ash Properties

Ash composition

P2O5 wt% (ash) 7.59
SiO2 wt% (ash) 3.10
Fe2O3 wt% (ash) 0.30
Al2O3 wt% (ash) 0.04
CaO wt% (ash) 19.41
MgO wt% (ash) 9.27
Na2O wt% (ash) 1.24
K2O wt% (ash) 21.45