miscanthus (#575)

ID-number#575
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

Fuel Properties

Proximate Analysis

Moisture content wt% 42.00
Ash content wt% 3.99 6.88

Ultimate Analysis

Carbon wt% 27.89 48.09 51.64 Unknown
Hydrogen wt% 2.98 5.14 5.52 Unknown
Nitrogen wt% 0.99 1.70 1.83 Unknown
Sulphur wt% 0.10 0.18 0.19 Unknown
Oxygen wt% 21.97 37.88 40.68 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 9.37 17.92 19.24
Gross calorific value (HHV) MJ/kg 11.06 19.07 20.48
HHVMilne MJ/kg 10.65 18.36 19.71 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 754.0 1 300.0 1 396.0 Unknown

Minor elements

Cadmium (Cd) mg/kg (dry) 0.2 Unknown
Copper (Cu) mg/kg (dry) 5.4 Unknown
Lead (Pb) mg/kg (dry) 3.2 Unknown
Mercury (Hg) mg/kg (dry) 0.0 Unknown

Physical Properties

Ash melting behaviour

American standard method, measured in oxidizing conditions

IDT (initial deformation temperature) °C 840
SOT (softening or spherical temperature) °C 1 020
HT (hemispherical temperature) °C 1 250
FT (fluid temperature) °C 1 340

Ash Properties

Ash composition

CO2 wt% (ash) 2.60
SO3 wt% (ash) 2.30
Cl wt% (ash) 1.08
P2O5 wt% (ash) 2.94
SiO2 wt% (ash) 61.30
Fe2O3 wt% (ash) 0.87
Al2O3 wt% (ash) 1.38
CaO wt% (ash) 7.70
MgO wt% (ash) 2.01
Na2O wt% (ash) 0.23
K2O wt% (ash) 7.30
Pb mg/kg (ash) 13.0
Cd mg/kg (ash) 0.2
Cu mg/kg (ash) 42.0
Hg mg/kg (ash) 0.0