alfalfa (#629)

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ID-number#629
Materialalfalfa
Classification ECN Phyllis classification ▸ grass/plant ▸ alfalfa ▸ alfalfa
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [240] gewassen ▸ [249] overige gewassen
Ash typelaboratory
Submitter organisationECN (Netherlands)
Literaturehttp://edv1.vt.tuwien.ac.at/AG_HOFBA/BIOBIB/Biobib.htm (1997).

Values

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

Main biomass properties

Proximate analysis
Moisture content wt% (ar)
Ash content wt% 10.71

Ultimate analysis (macroelements)
Carbon wt% 46.20 51.74 Unknown
Hydrogen wt% 5.12 5.73 Unknown
Oxygen wt% 35.27 39.50 Calculated
Nitrogen wt% 2.08 2.33 Unknown
Sulphur wt% 0.14 0.16 Unknown
Total (with halides) wt% 100.00 100.00 Calculated

Halides
Chlorine (Cl) mg/kg 4 800.0 5 375.7 Unknown

Heating value
Net calorific value (LHV) MJ/kg 17.41 19.49
Gross calorific value (HHV) MJ/kg 18.53 20.75
HHVMilne MJ/kg 17.90 20.05 Calculated

Trace elements composition
Cadmium (Cd) mg/kg (dry) 0.1 Unknown
Copper (Cu) mg/kg (dry) 6.6 Unknown
Mercury (Hg) mg/kg (dry) 0.0 Unknown
Lead (Pb) mg/kg (dry) 0.5 Unknown

Ash melting behaviour

American standard method, measured in oxidizing conditions
IDT (initial deformation temperature) °C 800
SOT (softening or spherical temperature) °C 820
HT (hemispherical temperature) °C 1 640
FT (fluid temperature) °C 1 650

Ash Properties

Ash composition
CO2 wt% (ash) 20.80
SO3 wt% (ash) 4.20
Cl wt% (ash) 5.16
P2O5 wt% (ash) 6.99
SiO2 wt% (ash) 4.30
Fe2O3 wt% (ash) 0.25
Al2O3 wt% (ash) 0.30
CaO wt% (ash) 17.00
MgO wt% (ash) 3.42
Na2O wt% (ash) 0.24
K2O wt% (ash) 40.60
Pb mg/kg (ash) 4.0
Cd mg/kg (ash) 0.0
Cu mg/kg (ash) 81.0
Hg mg/kg (ash) 0.0