sewage sludge (#1514)

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ID-number#1514
Materialsewage sludge
Classification ECN Phyllis classification ▸ sludge ▸ sewage ▸ sewage sludge
NTA 8003 classification ▸ [400] slib ▸ [410] zuiveringsslib RWZI
Submitter organisationECN (Netherlands)
Submission date1999-07-06
RemarksAV Saar
LiteratureK. R. G. Hein: Combined combustion of biomass/sewage sludge and coals; Clean Coal Technology Programme 1992-1994, Stuttgart, IVD, ISBN 3-928123-16-5 (1994).

Values

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

Main biomass properties

Proximate analysis
Moisture content wt% 3.40
Ash content wt% 52.65 54.50
Volatile matter wt% 38.35 39.70 87.25
Fixed carbon wt% 5.60 5.80 12.75 Calculated

Ultimate analysis (macroelements)
Carbon wt% 25.49 26.39 58.00 Measured
Hydrogen wt% 3.52 3.64 8.00 Measured
Oxygen wt% 9.98 10.33 22.70 Measured
Nitrogen wt% 3.96 4.10 9.00 Measured
Sulphur wt% 0.92 0.96 2.10 Measured
Total (with halides) wt% 99.91 99.91 99.80 Calculated

Heating value
Net calorific value (LHV) MJ/kg 9.06 9.46 20.80
Gross calorific value (HHV) MJ/kg 9.91 10.26 22.54
HHVMilne MJ/kg 11.37 11.77 25.86 Calculated

Ash melting behaviour

American standard method, measured in oxidizing conditions
IDT (initial deformation temperature) °C 1 150
HT (hemispherical temperature) °C 1 230
FT (fluid temperature) °C 1 280