sewage sludge, aerobic digestion (#2164)
| ID-number | #2164 |
|---|---|
| Material | sewage sludge, aerobic digestion |
| Description | fine particulate gray |
| 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% | 80.40 | ||||||||||||||||||
| Ash content | wt% | 4.51 | 23.00 | |||||||||||||||||
Ultimate Analysis |
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| Carbon | wt% | 6.59 | 33.60 | 43.64 | Measured | |||||||||||||||
| Hydrogen | wt% | 1.02 | 5.20 | 6.75 | Measured | |||||||||||||||
| Nitrogen | wt% | 0.82 | 4.20 | 5.45 | Measured | |||||||||||||||
| Sulphur | wt% (dry) | 1.00 | ||||||||||||||||||
| Oxygen | wt% | 6.47 | 33.00 | 42.86 | Calculated | |||||||||||||||
| Total (with halides) | wt% | 99.80 | 99.00 | 98.70 | Calculated | |||||||||||||||
Calorific Values |
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| Net calorific value (LHV) | MJ/kg | 0.72 | 13.69 | 17.78 | ||||||||||||||||
| Gross calorific value (HHV) | MJ/kg | 2.91 | 14.82 | 19.25 | ||||||||||||||||
| HHVMilne | MJ/kg | 2.67 | 13.60 | 17.66 | Calculated | |||||||||||||||
Chemical Analyses |
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Major elements |
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| Aluminium (Al) | mg/kg (dry) | 13 000.0 | Measured | |||||||||||||||||
| Potassium (K) | mg/kg (dry) | 3 100.0 | Measured | |||||||||||||||||
| Sodium (Na) | mg/kg (dry) | 1 600.0 | Measured | |||||||||||||||||
| Calcium (Ca) | mg/kg (dry) | 79 000.0 | Measured | |||||||||||||||||
| Magnesium (Mg) | mg/kg (dry) | 3 900.0 | Measured | |||||||||||||||||
| Iron (Fe) | mg/kg (dry) | 47 000.0 | Measured | |||||||||||||||||
Minor elements |
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| Chromium (Cr) | mg/kg (dry) | 600.0 | Measured | |||||||||||||||||
| Copper (Cu) | mg/kg (dry) | 2 800.0 | Measured | |||||||||||||||||
| Manganese (Mn) | mg/kg (dry) | 200.0 | Measured | |||||||||||||||||
| Nickel (Ni) | mg/kg (dry) | 400.0 | Measured | |||||||||||||||||
| Zinc (Zn) | mg/kg (dry) | 7 100.0 | Measured | |||||||||||||||||
| Barium (Ba) | mg/kg (dry) | 300.0 | Measured | |||||||||||||||||
Other elements |
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| Strontium (Sr) | mg/kg (dry) | 700.0 | Measured | |||||||||||||||||
| Boron (B) | mg/kg (dry) | 100.0 | Measured | |||||||||||||||||