miscanthus (#581)

ID-number#581
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 Kirchberg, 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% 38.00
Ash content wt% 1.97 3.17

Ultimate Analysis

Carbon wt% 30.26 48.81 50.41 Measured
Hydrogen wt% 3.37 5.43 5.61 Measured
Nitrogen wt% 0.29 0.47 0.49 Measured
Sulphur wt% 0.03 0.05 0.05 Measured
Oxygen wt% 26.03 41.99 43.36 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 10.29 18.09 18.68
Gross calorific value (HHV) MJ/kg 11.96 19.29 19.92
HHVMilne MJ/kg 11.58 18.68 19.30 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 496.0 800.0 826.2 Measured

Minor elements

Cadmium (Cd) mg/kg (dry) 0.2 Unknown
Copper (Cu) mg/kg (dry) 1.7 Unknown
Lead (Pb) mg/kg (dry) 0.8 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 800
SOT (softening or spherical temperature) °C 840
HT (hemispherical temperature) °C 1 040
FT (fluid temperature) °C 1 080

Ash Properties

Ash composition

CO2 wt% (ash) 6.90
SO3 wt% (ash) 2.63
Cl wt% (ash) 0.82
P2O5 wt% (ash) 1.75
SiO2 wt% (ash) 53.70
Fe2O3 wt% (ash) 0.19
Al2O3 wt% (ash) 0.10
CaO wt% (ash) 3.30
MgO wt% (ash) 2.26
Na2O wt% (ash) 0.09
K2O wt% (ash) 20.20
Pb mg/kg (ash) 13.0
Cd mg/kg (ash) 0.1
Cu mg/kg (ash) 39.0
Hg mg/kg (ash) 0.0