RDF (USA) (#879)

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ID-number#879
MaterialRDF (USA)
Classification ECN Phyllis classification ▸ RDF and MSW ▸ RDF unknown
NTA 8003 classification ▸ [900] solid recovered fuels (SRF)
Ash type ashed at 815 degC
Submitter organisationECN (Netherlands)
LiteratureN. Magasiner and J. W. de Kock: Design criteria for fibrous fuel fired boilers. Energy World (8-9) pp. 4-12 (1987).

Values

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

Main biomass properties

Proximate analysis
Moisture content wt% 21.90
Ash content wt% 8.90 11.40
Volatile matter wt% 51.60 66.07 74.57
Fixed carbon wt% 17.60 22.53 25.43 Calculated

Ultimate analysis (macroelements)
Carbon wt% 35.43 45.36 51.20 Measured
Hydrogen wt% 4.64 5.94 6.70 Measured
Oxygen wt% 28.02 35.88 40.50 Calculated
Nitrogen wt% 0.69 0.89 1.00 Measured
Sulphur wt% 0.42 0.53 0.60 Measured
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Heating value
Net calorific value (LHV) MJ/kg 14.00 18.61 21.00
Gross calorific value (HHV) MJ/kg 15.55 19.90 22.47
HHVMilne MJ/kg 14.67 18.79 21.20 Calculated

Ash melting behaviour

American standard method, measured in oxidizing conditions
IDT (initial deformation temperature) °C 1 400
HT (hemispherical temperature) °C 1 400
FT (fluid temperature) °C 1 400

Ash Properties

Ash composition
SiO2 wt% (ash) 41.90
Fe2O3 wt% (ash) 4.90
Al2O3 wt% (ash) 6.80
CaO wt% (ash) 7.00
MgO wt% (ash) 1.90
Na2O wt% (ash) 3.20
K2O wt% (ash) 2.10