maize (#534)

ID-number#534
Materialmaize
Classification ECN Phyllis classification ▸ straw (stalk/cob/ear) ▸ maize/corn ▸ maize
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [240] gewassen ▸ [241] mais
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% 5.29

Ultimate Analysis

Carbon wt% 45.58 48.13 Unknown
Hydrogen wt% 5.43 5.73 Unknown
Nitrogen wt% 0.34 0.36 Unknown
Sulphur wt% 0.04 0.04 Unknown
Oxygen wt% 43.16 45.57 Calculated
Total (with halides) wt% 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 16.83 17.77
Gross calorific value (HHV) MJ/kg 18.03 19.03
HHVMilne MJ/kg 17.43 18.40 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 1 600.0 1 689.4 Unknown

Minor elements

Cadmium (Cd) mg/kg (dry) 0.1 Unknown
Copper (Cu) mg/kg (dry) 3.7 Unknown
Lead (Pb) mg/kg (dry) 0.2 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 930
SOT (softening or spherical temperature) °C 1 050
HT (hemispherical temperature) °C 1 120
FT (fluid temperature) °C 1 140

Ash Properties

Ash composition

CO2 wt% (ash) 7.90
SO3 wt% (ash) 2.03
Cl wt% (ash) 4.37
P2O5 wt% (ash) 2.18
SiO2 wt% (ash) 36.40
Fe2O3 wt% (ash) 0.59
Al2O3 wt% (ash) 0.51
CaO wt% (ash) 9.90
MgO wt% (ash) 4.25
Na2O wt% (ash) 0.08
K2O wt% (ash) 21.80
Pb mg/kg (ash) 3.0
Cd mg/kg (ash) 0.1
Cu mg/kg (ash) 67.0
Hg mg/kg (ash) 0.0