RDF (#1807)

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ID-number#1807
MaterialRDF
Classification ECN Phyllis classification ▸ RDF and MSW ▸ RDF unknown ▸ RDF
NTA 8003 classification ▸ [900] solid recovered fuels (SRF)
Submitter organisationECN (Netherlands)
Submission date2000-10-19
LiteratureJ.H.Canova and D.J.Bushnell: Testing and evaluating the combustion characteristics of densified RDF and mixed waste paper. In: Proc. Energy from biomass and wastes XVI (Ed. D.L.Klass), pp. 1191-1219, Institute of Gas Technology, Chicago (1993).

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% 21.38
Volatile matter wt% 68.44 87.05
Fixed carbon wt% 10.18 12.95 Calculated

Ultimate analysis (macroelements)
Carbon wt% 41.22 52.43 Measured
Hydrogen wt% 5.76 7.33 Measured
Oxygen wt% 30.32 38.57 Calculated
Nitrogen wt% 0.50 0.64 Measured
Sulphur wt% 0.39 0.50 Measured
Total (with halides) wt% 100.00 100.00 Calculated

Halides
Chlorine (Cl) mg/kg 4 300.0 5 469.3 Measured

Heating value
Net calorific value (LHV) MJ/kg 17.26 21.96
Gross calorific value (HHV) MJ/kg 18.52 23.56
HHVMilne MJ/kg 17.74 22.57 Calculated

Ash melting behaviour

American standard method, measured in oxidizing conditions
IDT (initial deformation temperature) °C 1 143
SOT (softening or spherical temperature) °C 1 177
HT (hemispherical temperature) °C 1 193
FT (fluid temperature) °C 1 266

Ash Properties

Ash composition
SO3 wt% (ash) 2.55
P2O5 wt% (ash) 1.37
SiO2 wt% (ash) 50.91
Fe2O3 wt% (ash) 5.13
Al2O3 wt% (ash) 15.23
CaO wt% (ash) 12.68
MgO wt% (ash) 1.74
Na2O wt% (ash) 4.96
K2O wt% (ash) 1.74
TiO2 wt% (ash) 1.96