sewage sludge, anaerobic digestion (#2161)
| ID-number | #2161 |
|---|---|
| Material | sewage sludge, anaerobic digestion |
| Description | fine particulate gray |
| Classification | ECN Phyllis classification ▸ sludge ▸ sewage ▸ sewage sludge, anaerobic 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% | 77.70 | ||||||||||||||||||
| Ash content | wt% | 4.88 | 21.90 | |||||||||||||||||
Ultimate Analysis |
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| Carbon | wt% | 6.82 | 30.60 | 39.18 | Measured | |||||||||||||||
| Hydrogen | wt% | 1.09 | 4.90 | 6.27 | Measured | |||||||||||||||
| Nitrogen | wt% | 0.67 | 3.00 | 3.84 | Measured | |||||||||||||||
| Sulphur | wt% | 0.22 | 1.00 | 1.28 | Measured | |||||||||||||||
| Oxygen | wt% | 8.61 | 38.60 | 49.42 | Calculated | |||||||||||||||
| Total (with halides) | wt% | 100.00 | 100.00 | 100.00 | Calculated | |||||||||||||||
Calorific Values |
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| Net calorific value (LHV) | MJ/kg | 0.31 | 9.92 | 12.70 | ||||||||||||||||
| Gross calorific value (HHV) | MJ/kg | 2.45 | 10.99 | 14.07 | ||||||||||||||||
| HHVMilne | MJ/kg | 2.62 | 11.73 | 15.02 | Calculated | |||||||||||||||
Chemical Analyses |
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Major elements |
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| Aluminium (Al) | mg/kg (dry) | 29 000.0 | Measured | |||||||||||||||||
| Potassium (K) | mg/kg (dry) | 2 300.0 | Measured | |||||||||||||||||
| Sodium (Na) | mg/kg (dry) | 1 500.0 | Measured | |||||||||||||||||
| Calcium (Ca) | mg/kg (dry) | 85 000.0 | Measured | |||||||||||||||||
| Magnesium (Mg) | mg/kg (dry) | 5 600.0 | Measured | |||||||||||||||||
| Iron (Fe) | mg/kg (dry) | 8 200.0 | Measured | |||||||||||||||||
Minor elements |
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| Chromium (Cr) | mg/kg (dry) | 4 600.0 | Measured | |||||||||||||||||
| Copper (Cu) | mg/kg (dry) | 2 900.0 | Measured | |||||||||||||||||
| Manganese (Mn) | mg/kg (dry) | 100.0 | Measured | |||||||||||||||||
| Nickel (Ni) | mg/kg (dry) | 500.0 | Measured | |||||||||||||||||
| Lead (Pb) | mg/kg (dry) | 1 700.0 | Measured | |||||||||||||||||
| Zinc (Zn) | mg/kg (dry) | 3 200.0 | Measured | |||||||||||||||||
| Barium (Ba) | mg/kg (dry) | 500.0 | Measured | |||||||||||||||||
Other elements |
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| Strontium (Sr) | mg/kg (dry) | 700.0 | Measured | |||||||||||||||||
| Boron (B) | mg/kg (dry) | 200.0 | Measured | |||||||||||||||||