miscanthus (#572)

ID-number#572
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% 3.17 5.46

Ultimate Analysis

Carbon wt% 27.83 47.99 50.76 Unknown
Hydrogen wt% 3.14 5.42 5.73 Unknown
Nitrogen wt% 0.64 1.10 1.16 Unknown
Sulphur wt% 0.06 0.11 0.12 Unknown
Oxygen wt% 23.09 39.81 42.11 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 9.45 18.07 19.11
Gross calorific value (HHV) MJ/kg 11.17 19.26 20.37
HHVMilne MJ/kg 10.76 18.55 19.62 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 638.0 1 100.0 1 163.5 Unknown

Minor elements

Cadmium (Cd) mg/kg (dry) 0.1 Unknown
Copper (Cu) mg/kg (dry) 4.4 Unknown
Lead (Pb) mg/kg (dry) 2.9 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 650
SOT (softening or spherical temperature) °C 1 030
HT (hemispherical temperature) °C 1 170
FT (fluid temperature) °C 1 220

Ash Properties

Ash composition

CO2 wt% (ash) 0.70
SO3 wt% (ash) 2.12
Cl wt% (ash) 0.87
P2O5 wt% (ash) 3.16
SiO2 wt% (ash) 75.40
Fe2O3 wt% (ash) 0.25
Al2O3 wt% (ash) 0.24
CaO wt% (ash) 10.10
MgO wt% (ash) 2.73
Na2O wt% (ash) 0.08
K2O wt% (ash) 3.80
Pb mg/kg (ash) 5.0
Cd mg/kg (ash) 0.0
Cu mg/kg (ash) 23.0
Hg mg/kg (ash) 0.0