miscanthus (#597)

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ID-number#597
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)
Remarks2 year, moisture content average of harvest jan.1991, 6 sites in 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% 45.00
Ash content wt% 2.63 4.79

Ultimate analysis (macroelements)
Carbon wt% 26.35 47.90 50.31 Unknown
Hydrogen wt% 3.05 5.54 5.82 Unknown
Oxygen wt% 22.58 41.05 43.12 Calculated
Nitrogen wt% 0.28 0.51 0.54 Unknown
Sulphur wt% 0.04 0.07 0.07 Unknown
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Halides
Chlorine (Cl) mg/kg 770.0 1 400.0 1 470.4 Unknown

Heating value
Net calorific value (LHV) MJ/kg 8.78 17.96 18.86
Gross calorific value (HHV) MJ/kg 10.55 19.18 20.14
HHVMilne MJ/kg 10.23 18.61 19.54 Calculated

Trace elements composition
Cadmium (Cd) mg/kg (dry) 0.1 Unknown
Copper (Cu) mg/kg (dry) 2.4 Unknown
Mercury (Hg) mg/kg (dry) 0.0 Unknown
Lead (Pb) mg/kg (dry) 3.6 Unknown

Ash melting behaviour

American standard method, measured in oxidizing conditions
IDT (initial deformation temperature) °C 830
SOT (softening or spherical temperature) °C 980
HT (hemispherical temperature) °C 1 080
FT (fluid temperature) °C 1 140

Ash Properties

Ash composition
CO2 wt% (ash) 0.37
SO3 wt% (ash) 2.40
Cl wt% (ash) 0.57
P2O5 wt% (ash) 1.85
SiO2 wt% (ash) 70.90
Fe2O3 wt% (ash) 0.26
Al2O3 wt% (ash) 0.29
CaO wt% (ash) 8.60
MgO wt% (ash) 2.74
Na2O wt% (ash) 0.31
K2O wt% (ash) 9.50
Pb mg/kg (ash) 27.0
Cd mg/kg (ash) 0.7
Cu mg/kg (ash) 113.0
Hg mg/kg (ash) 0.0