sewage sludge, aerobic digestion (#2163)
| ID-number | #2163 |
|---|---|
| Material | sewage sludge, aerobic digestion |
| Description | fine particulate brown |
| Classification | ECN Phyllis classification ▸ sludge ▸ sewage ▸ sewage sludge, aerobic digestion |
| NTA 8003 classification ▸ [400] slib ▸ [410] zuiveringsslib RWZI | |
| Submitter organisation | ECN (Netherlands) |
| Submission date | 2001-04-24 |
| Remarks | water 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 |
| Literature | Font,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 |
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Proximate Analysis |
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| Moisture content | wt% | 83.90 | ||||||||||||||||||
| Ash content | wt% | 3.25 | 20.20 | |||||||||||||||||
Ultimate Analysis |
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| Carbon | wt% | 5.68 | 35.30 | 44.24 | Measured | |||||||||||||||
| Hydrogen | wt% | 0.89 | 5.50 | 6.89 | Measured | |||||||||||||||
| Nitrogen | wt% | 1.00 | 6.20 | 7.77 | Measured | |||||||||||||||
| Sulphur | wt% | 0.48 | 3.00 | 3.76 | Measured | |||||||||||||||
| Oxygen | wt% | 4.80 | 29.80 | 37.34 | Calculated | |||||||||||||||
| Total (with halides) | wt% | 100.00 | 100.00 | 100.00 | Calculated | |||||||||||||||
Calorific Values |
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| Net calorific value (LHV) | MJ/kg | 0.35 | 14.90 | 18.67 | ||||||||||||||||
| Gross calorific value (HHV) | MJ/kg | 2.59 | 16.10 | 20.18 | ||||||||||||||||
| HHVMilne | MJ/kg | 2.41 | 14.95 | 18.73 | Calculated | |||||||||||||||
Chemical Analyses |
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Major elements |
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| Aluminium (Al) | mg/kg (dry) | 9 300.0 | Measured | |||||||||||||||||
| Potassium (K) | mg/kg (dry) | 1 500.0 | Measured | |||||||||||||||||
| Sodium (Na) | mg/kg (dry) | 5 100.0 | Measured | |||||||||||||||||
| Calcium (Ca) | mg/kg (dry) | 33 000.0 | Measured | |||||||||||||||||
| Magnesium (Mg) | mg/kg (dry) | 3 100.0 | Measured | |||||||||||||||||
| Iron (Fe) | mg/kg (dry) | 49 000.0 | Measured | |||||||||||||||||
Minor elements |
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| Chromium (Cr) | mg/kg (dry) | 34 000.0 | Measured | |||||||||||||||||
| Copper (Cu) | mg/kg (dry) | 100.0 | Measured | |||||||||||||||||
| Manganese (Mn) | mg/kg (dry) | 400.0 | Measured | |||||||||||||||||
| Nickel (Ni) | mg/kg (dry) | 600.0 | Measured | |||||||||||||||||
| Lead (Pb) | mg/kg (dry) | 1 400.0 | Measured | |||||||||||||||||
| Zinc (Zn) | mg/kg (dry) | 800.0 | Measured | |||||||||||||||||
| Barium (Ba) | mg/kg (dry) | 100.0 | Measured | |||||||||||||||||
Other elements |
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| Strontium (Sr) | mg/kg (dry) | 300.0 | Measured | |||||||||||||||||
| Boron (B) | mg/kg (dry) | 100.0 | Measured | |||||||||||||||||