miscanthus (#590)

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ID-number#590
Materialmiscanthus
Classification ECN Phyllis classification ▸ grass/plant ▸ miscanthus ▸ miscanthus
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [210] gras ▸ [212] olifantsgras/miscanthus
Ash typelaboratory
Submitter organisationECN (Netherlands)
Remarks3 year, harvest feb.1992 Ilz, Austria cf. Biomass & Bioenergy 5 (1993) 413-419
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% 25.00
Ash content wt% 2.74 3.65

Ultimate analysis (macroelements)
Carbon wt% 36.20 48.26 50.09 Measured
Hydrogen wt% 4.11 5.48 5.69 Measured
Oxygen wt% 31.65 42.20 43.80 Calculated
Nitrogen wt% 0.19 0.25 0.26 Measured
Sulphur wt% 0.02 0.02 0.02 Measured
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Halides
Chlorine (Cl) mg/kg 1 050.0 1 400.0 1 453.0 Measured

Heating value
Net calorific value (LHV) MJ/kg 12.76 17.83 18.51
Gross calorific value (HHV) MJ/kg 14.28 19.04 19.76
HHVMilne MJ/kg 13.92 18.55 19.26 Calculated

Trace elements composition
Cadmium (Cd) mg/kg (dry) 0.1 Unknown
Copper (Cu) mg/kg (dry) 1.3 Unknown
Mercury (Hg) mg/kg (dry) 0.0 Unknown
Lead (Pb) mg/kg (dry) 0.4 Unknown

Ash melting behaviour

American standard method, measured in oxidizing conditions
IDT (initial deformation temperature) °C 820
SOT (softening or spherical temperature) °C 880
HT (hemispherical temperature) °C 1 150
FT (fluid temperature) °C 1 240

Ash Properties

Ash composition
CO2 wt% (ash) 2.50
SO3 wt% (ash) 1.34
Cl wt% (ash) 2.02
P2O5 wt% (ash) 4.56
SiO2 wt% (ash) 75.20
Fe2O3 wt% (ash) 0.08
Al2O3 wt% (ash) 0.17
CaO wt% (ash) 3.30
MgO wt% (ash) 1.24
Na2O wt% (ash) 0.15
K2O wt% (ash) 11.10
Pb mg/kg (ash) 17.0
Cd mg/kg (ash) 0.2
Cu mg/kg (ash) 33.0
Hg mg/kg (ash) 0.0