miscanthus (#571)

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ID-number#571
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, moisture content average of harvest jan.1992, 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% 42.00
Ash content wt% 3.20 5.51

Ultimate analysis (macroelements)
Carbon wt% 28.48 49.11 51.97 Unknown
Hydrogen wt% 3.02 5.21 5.51 Unknown
Oxygen wt% 22.41 38.63 40.88 Calculated
Nitrogen wt% 0.76 1.31 1.39 Unknown
Sulphur wt% 0.07 0.12 0.13 Unknown
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Halides
Chlorine (Cl) mg/kg 638.0 1 100.0 1 164.1 Unknown

Heating value
Net calorific value (LHV) MJ/kg 9.40 17.98 19.03
Gross calorific value (HHV) MJ/kg 11.11 19.15 20.27
HHVMilne MJ/kg 10.89 18.77 19.86 Calculated

Trace elements composition
Cadmium (Cd) mg/kg (dry) 0.2 Unknown
Copper (Cu) mg/kg (dry) 5.8 Unknown
Mercury (Hg) mg/kg (dry) 0.0 Unknown
Lead (Pb) mg/kg (dry) 1.9 Unknown

Ash melting behaviour

American standard method, measured in oxidizing conditions
IDT (initial deformation temperature) °C 970
SOT (softening or spherical temperature) °C 1 040
HT (hemispherical temperature) °C 1 230
FT (fluid temperature) °C 1 480

Ash Properties

Ash composition
CO2 wt% (ash) 4.10
SO3 wt% (ash) 2.26
Cl wt% (ash) 1.33
P2O5 wt% (ash) 2.44
SiO2 wt% (ash) 57.70
Fe2O3 wt% (ash) 0.82
Al2O3 wt% (ash) 1.01
CaO wt% (ash) 7.90
MgO wt% (ash) 2.82
Na2O wt% (ash) 0.10
K2O wt% (ash) 7.50
Pb mg/kg (ash) 13.0
Cd mg/kg (ash) 0.1
Cu mg/kg (ash) 54.0
Hg mg/kg (ash) 0.0