sewage sludge (#1669)

ID-number#1669
Materialsewage sludge
Classification ECN Phyllis classification ▸ sludge ▸ sewage ▸ sewage sludge
NTA 8003 classification ▸ [400] slib ▸ [410] zuiveringsslib RWZI
Submitter organisationECN (Netherlands)
Submission date1999-07-19
RemarksSewage sludge from Denmark (Hvidovre). Values are the design values for sludge dryer/combustor. Thallium: 0,5 mg/kg ds, Ag: 50 mg/kg ds; Extreme values in mg/kg ds: Hg: 12; Cd: 50; Thallium: 5; As: 100; Cr: 300; Ni: 300; Sb: 30; Pb: 600; Co: 30; Cu: 1000;
LiteratureThermische verwerkingsprocessen met en voor zuiveringsslib, Vol Ecotech Europe '99, TechnoTrans, Utrecht (1999).

Values

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

Main biomass properties

Proximate analysis

Moisture content wt% 78.00
Ash content wt% 11.00 50.00

Ultimate analysis (macroelements)

Carbon wt% 5.87 26.70 53.40 Measured
Hydrogen wt% 0.81 3.70 7.40 Measured
Oxygen wt% 3.30 15.00 30.00 Measured
Nitrogen wt% 0.84 3.80 7.60 Measured
Sulphur wt% 0.26 1.20 2.40 Measured
Total (with halides) wt% 100.13 100.60 101.20 Calculated

Halides

Chlorine (Cl) mg/kg 440.0 2 000.0 4 000.0 Measured

Heating value

Net calorific value (LHV) MJ/kg 0.47 10.79 21.59
Gross calorific value (HHV) MJ/kg 2.55 11.60 23.20
HHVMilne MJ/kg 2.52 11.44 22.88 Calculated

Trace elements composition

Arsenic (As) mg/kg (dry) 20.0 Measured
Cadmium (Cd) mg/kg (dry) 20.0 Measured
Cobalt (Co) mg/kg (dry) 10.0 Measured
Chromium (Cr) mg/kg (dry) 100.0 Measured
Copper (Cu) mg/kg (dry) 400.0 Measured
Mercury (Hg) mg/kg (dry) 3.5 Measured
Manganese (Mn) mg/kg (dry) 300.0 Measured
Nickel (Ni) mg/kg (dry) 100.0 Measured
Lead (Pb) mg/kg (dry) 220.0 Measured
Antimony (Sb) mg/kg (dry) 10.0 Measured
Tin (Sn) mg/kg (dry) 50.0 Measured
Vanadium (V) mg/kg (dry) 10.0 Measured
Zinc (Zn) mg/kg (dry) 1 200.0 Measured