verge grass (#987)

ID-number#987
Materialverge grass
Classification ECN Phyllis classification ▸ grass/plant ▸ verge grass ▸ verge grass
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [210] gras ▸ [213] bermgras
Submitter organisationECN (Netherlands)
LiteratureF. Ligthart: Bedagglomeratie en asafzetting tijdens wervelbedvergassing en -verbranding van biomassa. Rapportage van een literatuurstudie naar de achtergronden (confidential, in Dutch), Petten, ECN, 44 p. (1996).

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% 8.40

Ultimate Analysis

Nitrogen wt% 1.70 1.86 Measured
Sulphur wt% 0.13 0.14 Measured
Total (with halides) wt% 10.59 2.39 Calculated

Calorific Values

Gross calorific value (HHV) MJ/kg 17.98 19.63

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 3 600.0 3 930.1 Measured

Physical Properties

Ash melting behaviour

American standard method, measured in oxidizing conditions

SOT (softening or spherical temperature) °C 1 040
HT (hemispherical temperature) °C 1 055
FT (fluid temperature) °C 1 075

Ash Properties

Ash composition

P2O5 wt% (ash) 7.90
SiO2 wt% (ash) 36.70
Fe2O3 wt% (ash) 0.68
Al2O3 wt% (ash) 1.33
CaO wt% (ash) 12.00
MgO wt% (ash) 3.38
Na2O wt% (ash) 0.70
K2O wt% (ash) 30.12
TiO2 wt% (ash) 0.07