sewage sludge (#2810)

ID-number#2810
Materialsewage sludge
Classification ECN Phyllis classification ▸ sludge ▸ sewage ▸ sewage sludge
NTA 8003 classification ▸ [400] slib ▸ [410] zuiveringsslib RWZI
Submitter organisationECN (Netherlands)
Submission date2006-07-11
LiteratureL.-E. Åmand, B. Leckner, D. Eskilsson, C. Tullin: Deposits on heat transfer tubes during co-combustion of biofuels and sewage sludge. Fuel 85 (2006) 1313-1322

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 73.20
Ash content wt% 12.81 47.80
Volatile matter wt% 13.39 49.97 95.73
Fixed carbon wt% 0.60 2.23 4.27 Calculated

Ultimate Analysis

Carbon wt% 7.23 26.99 51.70 Measured
Hydrogen wt% 1.01 3.76 7.20 Measured
Nitrogen wt% 0.87 3.24 6.20 Measured
Sulphur wt% 0.25 0.94 1.80 Measured
Oxygen wt% 4.60 17.17 32.90 Calculated
Total (with halides) wt% 99.99 99.96 99.92 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 0.93 10.13 19.40
Gross calorific value (HHV) MJ/kg 2.93 10.95 20.97
HHVMilne MJ/kg 3.06 11.40 21.85 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 167.9 626.4 1 200.0 Measured

Ash Properties

Ash composition

P2O5 wt% (ash) 15.12
SiO2 wt% (ash) 27.80
Fe2O3 wt% (ash) 24.31
Al2O3 wt% (ash) 13.79
CaO wt% (ash) 5.88
MgO wt% (ash) 1.66
Na2O wt% (ash) 1.05
K2O wt% (ash) 1.57