wheat straw (Danish, weathered) (#1309)

ID-number#1309
Materialwheat straw (Danish, weathered)
Classification ECN Phyllis classification ▸ straw (stalk/cob/ear) ▸ wheat ▸ wheat straw (Danish, weathered)
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [220] stro ▸ [223] tarwestro
Ash type650 degC
Submitter organisationECN (Netherlands)
Submission date1998-08-21
LiteratureECN laboratories.

Values

Property Unit Value Std dev Det lim Lab Date Method Remarks
ar dry daf

Fuel Properties

Proximate Analysis

Moisture content wt% 12.50
Ash content wt% 2.57 2.94

Ultimate Analysis

Total (with halides) wt% 15.19 3.07 0.13 Calculated

Calorific Values

Gross calorific value (HHV) MJ/kg 16.98 19.41 19.99

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 1 137.5 1 300.0 1 339.4 Measured

Major elements

Potassium (K) mg/kg (dry) 6 100.0 Measured
Sodium (Na) mg/kg (dry) 60.0 Measured

Physical Properties

Ash melting behaviour

American standard method, measured in reducing conditions

IDT (initial deformation temperature) °C 907
SOT (softening or spherical temperature) °C 969
HT (hemispherical temperature) °C 1 038
FT (fluid temperature) °C 1 176

Ash Properties

Ash composition

CO2 wt% (ash) 0.80
SO3 wt% (ash) 5.40
Cl wt% (ash) 0.70
P2O5 wt% (ash) 4.00
SiO2 wt% (ash) 43.00
Fe2O3 wt% (ash) 0.20
Al2O3 wt% (ash) 0.40
CaO wt% (ash) 15.00
MgO wt% (ash) 3.00
Na2O wt% (ash) 0.40
K2O wt% (ash) 24.00
TiO2 wt% (ash) 0.02