grass (#613)

ID-number#613
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% 8.43

Ultimate Analysis

Carbon wt% 46.44 50.72 Unknown
Hydrogen wt% 5.10 5.57 Unknown
Nitrogen wt% 1.33 1.45 Unknown
Sulphur wt% 0.09 0.10 Unknown
Oxygen wt% 37.58 41.04 Calculated
Total (with halides) wt% 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 17.04 18.61
Gross calorific value (HHV) MJ/kg 18.19 19.86
HHVMilne MJ/kg 17.80 19.44 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 10 300.0 11 248.2 Unknown

Minor elements

Cadmium (Cd) mg/kg (dry) 0.1 Unknown
Copper (Cu) mg/kg (dry) 5.6 Unknown
Lead (Pb) mg/kg (dry) 0.3 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 920
SOT (softening or spherical temperature) °C 960
HT (hemispherical temperature) °C 1 040
FT (fluid temperature) °C 1 140

Ash Properties

Ash composition

CO2 wt% (ash) 3.50
SO3 wt% (ash) 3.17
Cl wt% (ash) 9.84
P2O5 wt% (ash) 6.98
SiO2 wt% (ash) 24.20
Fe2O3 wt% (ash) 0.60
Al2O3 wt% (ash) 0.91
CaO wt% (ash) 6.80
MgO wt% (ash) 2.08
Na2O wt% (ash) 0.43
K2O wt% (ash) 35.10
Pb mg/kg (ash) 4.0
Cd mg/kg (ash) 0.0
Cu mg/kg (ash) 39.0
Hg mg/kg (ash) 0.0