grass (#616)

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ID-number#616
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

Main biomass properties

Proximate analysis
Moisture content wt% (ar)
Ash content wt% 9.52

Ultimate analysis (macroelements)
Carbon wt% 46.76 51.68 Unknown
Hydrogen wt% 5.30 5.86 Unknown
Oxygen wt% 34.00 37.58 Calculated
Nitrogen wt% 3.59 3.97 Unknown
Sulphur wt% 0.32 0.35 Unknown
Total (with halides) wt% 100.00 100.00 Calculated

Halides
Chlorine (Cl) mg/kg 5 100.0 5 636.6 Unknown

Heating value
Net calorific value (LHV) MJ/kg 17.75 19.62
Gross calorific value (HHV) MJ/kg 18.93 20.92
HHVMilne MJ/kg 18.33 20.26 Calculated

Trace elements composition
Cadmium (Cd) mg/kg (dry) 0.1 Unknown
Copper (Cu) mg/kg (dry) 10.4 Unknown
Mercury (Hg) mg/kg (dry) 0.0 Unknown
Lead (Pb) mg/kg (dry) 0.8 Unknown

Ash melting behaviour

American standard method, measured in oxidizing conditions
IDT (initial deformation temperature) °C 890
SOT (softening or spherical temperature) °C 980
HT (hemispherical temperature) °C 1 090
FT (fluid temperature) °C 1 170

Ash Properties

Ash composition
CO2 wt% (ash) 1.30
SO3 wt% (ash) 3.95
Cl wt% (ash) 3.82
P2O5 wt% (ash) 7.17
SiO2 wt% (ash) 30.70
Fe2O3 wt% (ash) 0.63
Al2O3 wt% (ash) 0.94
CaO wt% (ash) 12.10
MgO wt% (ash) 3.05
Na2O wt% (ash) 0.29
K2O wt% (ash) 27.80
Pb mg/kg (ash) 7.0
Cd mg/kg (ash) 0.1
Cu mg/kg (ash) 69.0
Hg mg/kg (ash) 0.0