grass (#617)

ID-number#617
Materialgrass
Classification ECN Phyllis classification ▸ grass/plant ▸ other grass ▸ grass
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [210] gras ▸ [211] mengsel gras
Ash typelaboratory
Submitter organisationECN (Netherlands)
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% (ar)
Ash content wt% 9.41

Ultimate Analysis

Carbon wt% 45.72 50.47 Unknown
Hydrogen wt% 5.01 5.53 Unknown
Nitrogen wt% 2.15 2.37 Unknown
Sulphur wt% 0.15 0.17 Unknown
Oxygen wt% 36.54 40.34 Calculated
Total (with halides) wt% 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 17.31 19.11
Gross calorific value (HHV) MJ/kg 18.41 20.32
HHVMilne MJ/kg 17.45 19.26 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 10 200.0 11 259.5 Unknown

Minor elements

Cadmium (Cd) mg/kg (dry) 0.0 Unknown
Copper (Cu) mg/kg (dry) 5.6 Unknown
Lead (Pb) mg/kg (dry) 0.6 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 910
HT (hemispherical temperature) °C 960
FT (fluid temperature) °C 1 050

Ash Properties

Ash composition

CO2 wt% (ash) 0.59
SO3 wt% (ash) 4.70
Cl wt% (ash) 7.40
P2O5 wt% (ash) 9.20
SiO2 wt% (ash) 26.80
Fe2O3 wt% (ash) 0.15
Al2O3 wt% (ash) 0.17
CaO wt% (ash) 10.90
MgO wt% (ash) 2.60
Na2O wt% (ash) 1.22
K2O wt% (ash) 35.80
Pb mg/kg (ash) 20.0
Cd mg/kg (ash) 0.4
Cu mg/kg (ash) 105.0
Hg mg/kg (ash) 0.0