sewage sludge (#658)

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ID-number#658
Materialsewage sludge
Classification ECN Phyllis classification ▸ sludge ▸ sewage ▸ sewage sludge
NTA 8003 classification ▸ [400] slib ▸ [410] zuiveringsslib RWZI
Sample lot size3 mm
Ash typeISO 1171 (815 degC)
Submitter organisationECN (Netherlands)
LiteratureECN laboratories.

Values

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

Main biomass properties

Proximate analysis
Moisture content wt% 9.90
Ash content wt% 31.54 35.00
Volatile matter wt% 48.20 53.50 82.31
Fixed carbon wt% 10.36 11.50 17.69 Calculated

Ultimate analysis (macroelements)
Carbon wt% 30.63 34.00 52.31 Measured
Hydrogen wt% 4.41 4.90 7.54 Measured
Oxygen wt% 18.03 20.01 30.78 Calculated
Nitrogen wt% 4.23 4.70 7.23 Measured
Sulphur wt% 1.17 1.30 2.00 Measured
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Halides
Chlorine (Cl) mg/kg 720.8 800.0 1 230.8 Measured
Fluorine (F) mg/kg 117.1 130.0 200.0 Measured

Heating value
Net calorific value (LHV) MJ/kg 12.40 14.03 21.59
Gross calorific value (HHV) MJ/kg 13.61 15.10 23.23
HHVMilne MJ/kg 13.38 14.85 22.84 Calculated

Physical Properties

Commonly used properties
Bulk density (ar) kg/m³ (ar) 740