courgette plant (#2884)

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ID-number#2884
Materialcourgette plant
Classification ECN Phyllis classification ▸ grass/plant ▸ vegetable
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [250] overige restprodcuten ▸ [252] tuinbouwafval
Ash typeUNE-CEN/TS 14775:2007 EX
Submitter organisationECN (Netherlands)
Submission date2011-01-06
RemarksC,H and N determined according to UNE-CEN/TS 15104:2008 EX. S according to ASTM D4239-08, Cl according to ASTM E776-87. Erroneous data for ash metal content corrected after consultation with authors.
LiteratureA.J. Callejón-Ferre, B. Velázquez-Martí, J.A. López-Martínez, F. Manzano-Agugliaro: Greenhouse crop residues: Energy potential and models for the prediction of their higher heating value. Renewable and Sustainable Energy Reviews 15 (2011) 948-955.

Values

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

Main biomass properties

Proximate analysis
Moisture content wt% 93.04
Ash content wt% 2.07 29.75
Volatile matter wt% 4.32 62.01 88.27
Fixed carbon wt% 0.57 8.24 11.73 Calculated

Ultimate analysis (macroelements)
Carbon wt% 2.36 33.88 48.23 Measured
Hydrogen wt% 0.26 3.70 5.27 Measured
Oxygen wt% 1.94 27.84 39.63 Calculated
Nitrogen wt% 0.33 4.70 6.69 Measured
Sulphur wt% 0.01 0.13 0.19 Measured
Total (with halides) wt% 100.07 101.08 101.53 Calculated

Halides
Chlorine (Cl) mg/kg 748.9 10 760.0 15 316.7 Measured

Heating value
Net calorific value (LHV) MJ/kg -1.43 12.04 17.14
Gross calorific value (HHV) MJ/kg 0.89 12.85 18.29
HHVMilne MJ/kg 0.85 12.23 17.41 Calculated

Ash melting behaviour

American standard method, measured in oxidizing conditions
IDT (initial deformation temperature) °C 1 546
SOT (softening or spherical temperature) °C 1 553
HT (hemispherical temperature) °C 1 650
FT (fluid temperature) °C 1 650

Ash Properties

Ash composition
P2O5 wt% (ash) 8.18
SiO2 wt% (ash) 4.79
Fe2O3 wt% (ash) 0.28
Al2O3 wt% (ash) 0.53
CaO wt% (ash) 20.67
MgO wt% (ash) 6.63
Na2O wt% (ash) 0.45
K2O wt% (ash) 6.37
TiO2 wt% (ash) 0.03
Cu mg/kg (ash) 54.0
Mn mg/kg (ash) 153.0