Phyllis2

sewage sludge (#1516)

ID-number	#1516
Material	sewage sludge
Classification	ECN Phyllis classification ▸ sludge ▸ sewage ▸ sewage sludge
Classification	NTA 8003 classification ▸ [400] slib ▸ [410] zuiveringsslib RWZI
Submitter organisation	ECN (Netherlands)
Submission date	1999-07-07
Remarks	All values are the average of the minimum and maximum values for sewage sludge from the Saar region in Germany; ash deformation temperature minimum values are shown. Max. values are: IST 1100, HT: 1210; FT: 1260 C
Literature	K. R. G. Hein: Combined combustion of biomass/sewage sludge and coals; Clean Coal Technology Programme 1992-1994, Stuttgart, IVD, ISBN 3-928123-16-5 (1994).

Property				Unit	Value			Std dev	Det lim	Lab	Date	Method	Remarks
Property				Unit	ar	dry	daf	Std dev	Det lim	Lab	Date	Method	Remarks
Main biomass properties
	Proximate analysis
		Moisture content		wt%	4.93
		Ash content		wt%	47.25	49.70
		Volatile matter		wt%	41.97	44.15	87.77
		Fixed carbon		wt%	5.85	6.15	12.23					Calculated
	Ultimate analysis (macroelements)
		Carbon		wt%	25.20	26.51	52.70					Average
		Hydrogen		wt%	3.90	4.10	8.15					Average
		Oxygen		wt%	14.69	15.45	30.72					Average
		Nitrogen		wt%	3.00	3.16	6.28					Average
		Sulphur		wt%	1.06	1.11	2.21					Average
		Total (with halides)		wt%	100.08	100.09	100.17					Calculated
	Halides
		Chlorine (Cl)		mg/kg	522.9	550.0	1 093.4					Average
	Heating value
		Net calorific value (LHV)		MJ/kg	9.90	10.54	20.96
		Gross calorific value (HHV)		MJ/kg	10.88	11.44	22.74
		HHV_Milne		MJ/kg	11.33	11.92	23.70					Calculated
	Trace elements composition
		Arsenic (As)		mg/kg (dry)	10.2							Average
		Cadmium (Cd)		mg/kg (dry)	5.5							Average
		Cobalt (Co)		mg/kg (dry)	16.5							Average
		Chromium (Cr)		mg/kg (dry)	171.0							Average
		Copper (Cu)		mg/kg (dry)	252.0							Average
		Mercury (Hg)		mg/kg (dry)	1.8							Average
		Nickel (Ni)		mg/kg (dry)	35.5							Average
		Phosphorus (P)		mg/kg (dry)	24 450.0							Average
		Lead (Pb)		mg/kg (dry)	135.5							Average
		Zinc (Zn)		mg/kg (dry)	1 810.0							Average
	Ash melting behaviour
		American standard method, measured in oxidizing conditions
			IDT (initial deformation temperature)	°C	1 080
			HT (hemispherical temperature)	°C	1 190
			FT (fluid temperature)	°C	1 240
Ash Properties
	Ash composition
		SO₃		wt% (ash)	0.26
		P₂O₅		wt% (ash)	5.60
		SiO₂		wt% (ash)	20.05
		Fe₂O₃		wt% (ash)	6.35
		Al₂O₃		wt% (ash)	6.70
		CaO		wt% (ash)	4.70
		MgO		wt% (ash)	1.10
		Na₂O		wt% (ash)	0.36
		K₂O		wt% (ash)	0.89
		TiO₂		wt% (ash)	0.35