sewage sludge, dried (#961)

ID-number#961
Materialsewage sludge, dried
Classification ECN Phyllis classification ▸ sludge ▸ sewage ▸ sewage sludge, dried
NTA 8003 classification ▸ [400] slib ▸ [410] zuiveringsslib RWZI
Submitter organisationECN (Netherlands)
RemarksWessex (UK); 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% 3.00
Ash content wt% 44.20 45.57
Volatile matter wt% 46.56 48.00 88.19
Fixed carbon wt% 6.24 6.43 11.81 Calculated

Ultimate Analysis

Carbon wt% 28.13 29.00 53.28 Measured
Hydrogen wt% 3.69 3.80 6.98 Measured
Nitrogen wt% 3.01 3.10 5.70 Measured
Sulphur wt% 0.78 0.80 1.47 Measured
Oxygen wt% 17.03 17.56 32.26 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 10.12 10.51 19.31
Gross calorific value (HHV) MJ/kg 11.00 11.34 20.83
HHVMilne MJ/kg 11.75 12.11 22.25 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 1 649.0 1 700.0 3 123.3 Measured

Major elements

Aluminium (Al) mg/kg (dry) 10 700.0 Measured
Iron (Fe) mg/kg (dry) 12 400.0 Measured

Minor elements

Arsenic (As) mg/kg (dry) 20.0 Measured
Cadmium (Cd) mg/kg (dry) 5.0 Measured
Cobalt (Co) mg/kg (dry) 6.0 Measured
Chromium (Cr) mg/kg (dry) 227.0 Measured
Copper (Cu) mg/kg (dry) 487.0 Measured
Manganese (Mn) mg/kg (dry) 229.0 Measured
Nickel (Ni) mg/kg (dry) 35.0 Measured
Lead (Pb) mg/kg (dry) 369.0 Measured
Vanadium (V) mg/kg (dry) 17.0 Measured
Zinc (Zn) mg/kg (dry) 834.0 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 1 080
HT (hemispherical temperature) °C 1 200
FT (fluid temperature) °C 1 280

Commonly used properties

Bulk density (ar) kg/m³ (ar) 609

Ash Properties

Ash composition

SO3 wt% (ash) 2.00
P2O5 wt% (ash) 8.70
SiO2 wt% (ash) 41.30
Fe2O3 wt% (ash) 6.80
Al2O3 wt% (ash) 14.30
CaO wt% (ash) 19.80
MgO wt% (ash) 3.20
Na2O wt% (ash) 0.70
K2O wt% (ash) 2.00
TiO2 wt% (ash) 1.20