sewage sludge, dried (#2919)

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ID-number#2919
Materialsewage sludge, dried
Classification ECN Phyllis classification ▸ sludge ▸ sewage ▸ sewage sludge, dried
NTA 8003 classification ▸ [400] slib ▸ [410] zuiveringsslib RWZI
Ash type550°C
Submitter organisationECN (Netherlands)
Submission date2011-02-28
LiteratureG. Dunnu, J. Maier, G. Scheffknecht: Ash fusibility and compositional data of solid recovered fuels. Fuel 89 (2010) 1534-1540.

Values

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

Fuel Properties

Proximate Analysis
Moisture content wt% 2.15
Ash content wt% 62.20 63.57
Volatile matter wt% 25.85 26.42 72.52
Fixed carbon wt% 9.79 10.01 27.48 Calculated

Ultimate Analysis
Carbon wt% 30.30 30.97 85.00 Measured
Hydrogen wt% 2.16 2.21 6.06 Measured
Nitrogen wt% 0.95 0.97 2.67 Measured
Sulphur wt% 1.32 1.35 3.70 Measured
Oxygen wt% 0.92 0.94 2.58 Calculated
Total (with halides) wt% 100.00 100.00 100.01 Calculated

Calorific Values
Net calorific value (LHV) MJ/kg 11.30 11.60 31.85
Gross calorific value (HHV) MJ/kg 11.82 12.08 33.17
HHVMilne MJ/kg 12.71 12.99 35.65 Calculated

Physical Properties

Ash melting behaviour

American standard method, measured in oxidizing conditions
IDT (initial deformation temperature) °C 1 160
SOT (softening or spherical temperature) °C 1 165
HT (hemispherical temperature) °C 1 195
FT (fluid temperature) °C 1 210

Ash Properties

Ash composition
CO2 wt% (ash) 1.80
SO3 wt% (ash) 5.25
P2O5 wt% (ash) 1.98
SiO2 wt% (ash) 38.36
Fe2O3 wt% (ash) 8.19
Al2O3 wt% (ash) 18.74
CaO wt% (ash) 22.09
MgO wt% (ash) 2.40
Na2O wt% (ash) 1.21
K2O wt% (ash) 1.56
TiO2 wt% (ash) 0.91