sludge, pulp & paper (#642)

ID-number#642
Materialsludge, pulp & paper
Classification ECN Phyllis classification ▸ sludge ▸ paper sludge
NTA 8003 classification ▸ [400] slib ▸ [440] papierslib
Submitter organisationECN (Netherlands)
Remarksmedian values of 54 pulp and paper mills, large deviation (Na: 300-67000 mg/kg, K: 120-10000 mg/kg, N: 0.11-5.90%, ...), HHV is mean value of 5 samples having different ash-content: 15-30%
LiteratureN. Sell and T. H. Mcintosh: Technical and economic feasibility of briquetting mill sludge for boiler fuel. Tappi J. pp. 135-139 (March 1988).

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% (ar)
Ash content wt% 22.00

Ultimate Analysis

Nitrogen wt% 0.85 1.09 Average
Sulphur wt% 0.47 0.60 Average
Total (with halides) wt% 23.32 1.69 Calculated

Calorific Values

Gross calorific value (HHV) MJ/kg 11.08 14.20

Chemical Analyses

Major elements

Aluminium (Al) mg/kg (dry) 13 400.0 Average
Potassium (K) mg/kg (dry) 2 200.0 Average
Sodium (Na) mg/kg (dry) 2 200.0 Average
Calcium (Ca) mg/kg (dry) 14 000.0 Average
Magnesium (Mg) mg/kg (dry) 1 550.0 Average
Iron (Fe) mg/kg (dry) 1 540.0 Average

Minor elements

Arsenic (As) mg/kg (dry) 1.2 Average
Cadmium (Cd) mg/kg (dry) 1.2 Average
Lead (Pb) mg/kg (dry) 28.0 Average
Mercury (Hg) mg/kg (dry) 0.4 Average