grass (#615)

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ID-number#615
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% 10.44

Ultimate analysis (macroelements)
Carbon wt% 44.49 49.68 Unknown
Hydrogen wt% 4.78 5.34 Unknown
Oxygen wt% 37.11 41.44 Calculated
Nitrogen wt% 1.87 2.09 Unknown
Sulphur wt% 0.15 0.17 Unknown
Total (with halides) wt% 100.00 100.00 Calculated

Halides
Chlorine (Cl) mg/kg 11 600.0 12 952.2 Unknown

Heating value
Net calorific value (LHV) MJ/kg 16.80 18.76
Gross calorific value (HHV) MJ/kg 17.85 19.93
HHVMilne MJ/kg 16.68 18.62 Calculated

Trace elements composition
Cadmium (Cd) mg/kg (dry) 0.0 Unknown
Copper (Cu) mg/kg (dry) 5.7 Unknown
Mercury (Hg) mg/kg (dry) 0.0 Unknown
Lead (Pb) mg/kg (dry) 0.5 Unknown

Ash melting behaviour

American standard method, measured in oxidizing conditions
IDT (initial deformation temperature) °C 750
SOT (softening or spherical temperature) °C 960
HT (hemispherical temperature) °C 1 020
FT (fluid temperature) °C 1 060

Ash Properties

Ash composition
CO2 wt% (ash) 0.37
SO3 wt% (ash) 3.00
Cl wt% (ash) 7.20
P2O5 wt% (ash) 8.20
SiO2 wt% (ash) 31.90
Fe2O3 wt% (ash) 0.33
Al2O3 wt% (ash) 0.31
CaO wt% (ash) 6.30
MgO wt% (ash) 2.60
Na2O wt% (ash) 0.75
K2O wt% (ash) 34.60
Pb mg/kg (ash) 32.0
Cd mg/kg (ash) 0.5
Cu mg/kg (ash) 140.0
Hg mg/kg (ash) 0.0