sewage sludge (#2159)

ID-number#2159
Materialsewage sludge
Descriptionfibrous reddish
Classification ECN Phyllis classification ▸ sludge ▸ sewage ▸ sewage sludge
NTA 8003 classification ▸ [400] slib ▸ [410] zuiveringsslib RWZI
Submitter organisationECN (Netherlands)
Submission date2001-04-24
Remarkswater content from weight loss at 105°C; ash content calculated from content of remaining elements, assuming oxides; ash content may be underestimated as Si has not been determined
LiteratureFont,R.; Fullana,A.; Conesa,J.A.; Llavador,F.: Analysis of the pyrolysis and combustion of different sewage sludges by TG. J. Anal. Appl. Pyrolysis 58-59 (2001) 927-941.

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 72.00
Ash content wt% 10.56 37.70

Ultimate Analysis

Carbon wt% 8.29 29.60 47.51 Measured
Hydrogen wt% 1.32 4.70 7.54 Measured
Nitrogen wt% 0.39 1.40 2.25 Measured
Sulphur wt% 0.28 1.00 1.61 Measured
Oxygen wt% 7.17 25.60 41.09 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 2.51 15.24 24.46
Gross calorific value (HHV) MJ/kg 4.55 16.27 26.11
HHVMilne MJ/kg 3.58 12.78 20.51 Calculated

Chemical Analyses

Major elements

Aluminium (Al) mg/kg (dry) 17 000.0 Measured
Potassium (K) mg/kg (dry) 600.0 Measured
Sodium (Na) mg/kg (dry) 1 100.0 Measured
Calcium (Ca) mg/kg (dry) 150 000.0 Measured
Magnesium (Mg) mg/kg (dry) 4 300.0 Measured
Iron (Fe) mg/kg (dry) 85 000.0 Measured

Minor elements

Chromium (Cr) mg/kg (dry) 100.0 Measured
Copper (Cu) mg/kg (dry) 200.0 Measured
Manganese (Mn) mg/kg (dry) 500.0 Measured
Zinc (Zn) mg/kg (dry) 600.0 Measured
Barium (Ba) mg/kg (dry) 100.0 Measured

Other elements

Strontium (Sr) mg/kg (dry) 1 000.0 Measured
Boron (B) mg/kg (dry) 200.0 Measured