lucerne (#1902)

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ID-number#1902
Materiallucerne
Classification ECN Phyllis classification ▸ grass/plant ▸ alfalfa ▸ lucerne
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [240] gewassen ▸ [249] overige gewassen
Ash type550°C
Submitter organisationECN (Netherlands)
Submission date2001-02-08
RemarksS and Cl calculated from ash; ash deformation HT and FT above 1600°C
LiteratureM. Öhman: A new method to quantify fluidized bed agglomeration in the combustion of biomass fuels. Licantiate thesis.Thesis, Umea University, 23 p. (1997).

Values

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

Main biomass properties

Proximate analysis
Moisture content wt% 7.90
Ash content wt% 7.83 8.50

Ultimate analysis (macroelements)
Carbon wt% 43.01 46.70 51.04 Measured
Hydrogen wt% 5.43 5.90 6.45 Measured
Oxygen wt% 32.79 35.60 38.91 Calculated
Nitrogen wt% 2.86 3.10 3.39 Measured
Sulphur wt% 0.15 0.16 0.17 Measured
Total (with halides) wt% 100.29 100.31 100.34 Calculated

Halides
Chlorine (Cl) mg/kg 3 223.5 3 500.0 3 825.1 Measured

Heating value
Net calorific value (LHV) MJ/kg 16.10 17.69 19.33
Gross calorific value (HHV) MJ/kg 17.48 18.98 20.74
HHVMilne MJ/kg 17.47 18.97 20.73 Calculated

Ash melting behaviour

American standard method, measured in oxidizing conditions
IDT (initial deformation temperature) °C 1 550
SOT (softening or spherical temperature) °C 1 580

Ash Properties

Ash composition
CO2 wt% (ash) 22.30
SO3 wt% (ash) 1.90
Cl wt% (ash) 4.40
P2O5 wt% (ash) 8.20
SiO2 wt% (ash) 3.30
Fe2O3 wt% (ash) 0.30
Al2O3 wt% (ash) 0.30
CaO wt% (ash) 27.70
MgO wt% (ash) 3.10
Na2O wt% (ash) 0.70
K2O wt% (ash) 28.40