sewage sludge (#1710)

ID-number#1710
Materialsewage sludge
Classification ECN Phyllis classification ▸ sludge ▸ sewage ▸ sewage sludge
NTA 8003 classification ▸ [400] slib ▸ [410] zuiveringsslib RWZI
Ash type550 degC
Submitter organisationECN (Netherlands)
Submission date1999-11-05
RemarksDenmark, Ostdeponi
LiteratureECN laboratories.

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 14.20
Ash content wt% 32.00 37.30
Volatile matter wt% 48.73 56.80 90.59
Fixed carbon wt% 5.06 5.90 9.41 Calculated

Ultimate Analysis

Hydrogen wt% 3.90 4.55 7.25 Measured
Sulphur wt% 0.74 0.86 1.38 Measured
Total (with halides) wt% 50.94 42.82 8.81 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 11.68 14.02 22.36
Gross calorific value (HHV) MJ/kg 12.88 15.01 23.94

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 970.0 1 130.5 1 803.1 Measured

Major elements

Potassium (K) mg/kg (dry) 1 630.0 Measured
Sodium (Na) mg/kg (dry) 1 170.0 Measured

Minor elements

Cadmium (Cd) mg/kg (dry) 1.0
Cobalt (Co) mg/kg (dry) 20.0
Chromium (Cr) mg/kg (dry) 37.0 Measured
Copper (Cu) mg/kg (dry) 250.0 Measured
Nickel (Ni) mg/kg (dry) 46.0 Measured
Lead (Pb) mg/kg (dry) 110.0 Measured
Zinc (Zn) mg/kg (dry) 1 000.0 Measured
Mercury (Hg) mg/kg (dry) 1.0 Measured

Ash Properties

Ash composition

CO2 wt% (ash) 0.22
SO3 wt% (ash) 2.50
P2O5 wt% (ash) 23.00
SiO2 wt% (ash) 26.00
Fe2O3 wt% (ash) 27.00
Al2O3 wt% (ash) 6.10
CaO wt% (ash) 11.00
MgO wt% (ash) 1.50
Na2O wt% (ash) 0.82
K2O wt% (ash) 1.50