sewage sludge, dried (#960)

ID-number#960
Materialsewage sludge, dried
Classification ECN Phyllis classification ▸ sludge ▸ sewage ▸ sewage sludge, dried
NTA 8003 classification ▸ [400] slib ▸ [410] zuiveringsslib RWZI
Ash type815 degC (BS 1016)
Submitter organisationECN (Netherlands)
RemarksThames; heating value calculated with equation for coal, not measured; ash data and trace elements from Abbas et.al. Vol. 2 Clean Coal Technology Progamme 1992-1994 APAS contract COAL-CT92-0002, J.M. Bemtgen et.al.
LiteratureP. Costen, F. C. Lockwood and J. J. Ou: Analysis of solid waste fuels, APAS Clean Coal Technology, London (UK), Imperial College of Science, Technology and Medicine, EUcontract CT92-0002, 32 p. (1994).

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 4.00
Ash content wt% 31.01 32.30
Volatile matter wt% 52.03 54.20 80.06
Fixed carbon wt% 12.96 13.50 19.94 Calculated

Ultimate Analysis

Carbon wt% 29.66 30.90 45.64 Measured
Hydrogen wt% 4.42 4.60 6.79 Measured
Nitrogen wt% 4.32 4.50 6.65 Measured
Sulphur wt% 1.06 1.10 1.62 Measured
Oxygen wt% 25.44 26.50 39.14 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 10.43 10.97 16.20
Gross calorific value (HHV) MJ/kg 11.49 11.97 17.68
HHVMilne MJ/kg 12.13 12.64 18.67 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 960.0 1 000.0 1 477.1 Measured

Major elements

Aluminium (Al) mg/kg (dry) 11 700.0 Measured
Iron (Fe) mg/kg (dry) 5 400.0 Measured

Minor elements

Arsenic (As) mg/kg (dry) 10.0 Measured
Cadmium (Cd) mg/kg (dry) 2.0 Measured
Cobalt (Co) mg/kg (dry) 3.0 Measured
Chromium (Cr) mg/kg (dry) 62.0 Measured
Copper (Cu) mg/kg (dry) 829.0 Measured
Manganese (Mn) mg/kg (dry) 209.0 Measured
Nickel (Ni) mg/kg (dry) 32.0 Measured
Lead (Pb) mg/kg (dry) 211.0 Measured
Vanadium (V) mg/kg (dry) 12.0 Measured
Zinc (Zn) mg/kg (dry) 567.0 Measured
Molybdenium (Mo) mg/kg (dry) 5.0 Measured
Mercury (Hg) mg/kg (dry) 2.0

Physical Properties

Ash melting behaviour

American standard method, measured in oxidizing conditions

IDT (initial deformation temperature) °C 1 110
HT (hemispherical temperature) °C 1 220
FT (fluid temperature) °C 1 270

Commonly used properties

Bulk density (ar) kg/m³ (ar) 610

Ash Properties

Ash composition

SO3 wt% (ash) 3.10
P2O5 wt% (ash) 16.70
SiO2 wt% (ash) 33.60
Fe2O3 wt% (ash) 3.60
Al2O3 wt% (ash) 15.60
CaO wt% (ash) 22.20
MgO wt% (ash) 2.30
Na2O wt% (ash) 5.00
K2O wt% (ash) 1.10
TiO2 wt% (ash) 1.30