sewage sludge (#658)

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

Fuel 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

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

Calorific Values

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

Chemical Analyses

Halides

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

Physical Properties

Commonly used properties

Bulk density (ar) kg/m³ (ar) 740