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

Fuel Properties

Proximate Analysis

Moisture content wt% 78.00
Ash content wt% 11.00 50.00

Ultimate Analysis

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

Calorific Values

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

Chemical Analyses

Halides

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

Minor elements

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
Manganese (Mn) mg/kg (dry) 300.0 Measured
Nickel (Ni) mg/kg (dry) 100.0 Measured
Lead (Pb) mg/kg (dry) 220.0 Measured
Vanadium (V) mg/kg (dry) 10.0 Measured
Zinc (Zn) mg/kg (dry) 1 200.0 Measured
Mercury (Hg) mg/kg (dry) 3.5 Measured

Other elements

Tin (Sn) mg/kg (dry) 50.0 Measured
Antimony (Sb) mg/kg (dry) 10.0 Measured