sewage sludge (#2165)

ID-number#2165
Materialsewage sludge
Descriptionfibrous brown
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% 73.10
Ash content wt% 7.80 29.00

Ultimate Analysis

Carbon wt% 8.66 32.20 45.35 Measured
Hydrogen wt% 1.43 5.30 7.46 Measured
Sulphur wt% (dry) 1.00
Oxygen wt% 8.74 32.50 45.77 Calculated
Total (with halides) wt% 99.73 99.00 98.59 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 2.39 15.53 21.87
Gross calorific value (HHV) MJ/kg 4.49 16.69 23.50
HHVMilne MJ/kg 3.70 13.77 19.40 Calculated

Chemical Analyses

Major elements

Aluminium (Al) mg/kg (dry) 8 600.0 Measured
Potassium (K) mg/kg (dry) 1 000.0 Measured
Sodium (Na) mg/kg (dry) 600.0 Measured
Calcium (Ca) mg/kg (dry) 82 000.0 Measured
Magnesium (Mg) mg/kg (dry) 3 900.0 Measured
Iron (Fe) mg/kg (dry) 70 000.0 Measured

Minor elements

Chromium (Cr) mg/kg (dry) 4 000.0 Measured
Copper (Cu) mg/kg (dry) 15 000.0 Measured
Manganese (Mn) mg/kg (dry) 3 000.0 Measured
Nickel (Ni) mg/kg (dry) 5 400.0 Measured
Lead (Pb) mg/kg (dry) 300.0 Measured
Zinc (Zn) mg/kg (dry) 9 900.0 Measured
Barium (Ba) mg/kg (dry) 300.0 Measured

Other elements

Strontium (Sr) mg/kg (dry) 700.0 Measured
Boron (B) mg/kg (dry) 200.0 Measured