sewage sludge (#1522)

ID-number#1522
Materialsewage sludge
Classification ECN Phyllis classification ▸ sludge ▸ sewage ▸ sewage sludge
NTA 8003 classification ▸ [400] slib ▸ [410] zuiveringsslib RWZI
Sample lot sized50 28.6 mum
Submitter organisationECN (Netherlands)
Submission date1999-07-07
RemarksSludge from Swiss Combi, Switzerland.
LiteratureJ. M. Bemtgen, K. R. G. Hein and A. J. Minchener: Co-gasification of coal/biomass and coal/waste mixtures; volume III final reports; EC research project APAS contract COAL-CT92-0001, Stuttgart, Clean Coal Technology Programme, ISBN 3-928123-15-7 (1994).

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 0.23
Ash content wt% 46.39 46.50
Volatile matter wt% 49.89 50.00 93.46
Fixed carbon wt% 3.49 3.50 6.54 Calculated

Ultimate Analysis

Carbon wt% 27.81 27.87 52.10 Measured
Hydrogen wt% 4.11 4.12 7.70 Measured
Nitrogen wt% 3.58 3.58 6.70 Measured
Sulphur wt% 1.12 1.12 2.10 Measured
Oxygen wt% 16.76 16.80 31.40 Calculated
Total (with halides) wt% 100.03 100.03 100.05 Calculated

Calorific Values

HHVMilne MJ/kg 12.17 12.20 22.81 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 266.9 267.5 500.0 Measured

Minor elements

Cadmium (Cd) mg/kg (dry) 2.9 Measured
Chromium (Cr) mg/kg (dry) 330.0 Measured
Copper (Cu) mg/kg (dry) 485.0 Measured
Nickel (Ni) mg/kg (dry) 76.0 Measured
Lead (Pb) mg/kg (dry) 20.0
Zinc (Zn) mg/kg (dry) 995.0 Measured
Barium (Ba) mg/kg (dry) 195.0 Measured
Mercury (Hg) mg/kg (dry) 5.0

Ash Properties

Ash composition

SO3 wt% (ash) 2.60
SiO2 wt% (ash) 22.40
Fe2O3 wt% (ash) 24.60
Al2O3 wt% (ash) 9.00
CaO wt% (ash) 12.50
MgO wt% (ash) 2.80
K2O wt% (ash) 0.80