Phyllis2 - straw (#2804)

straw (#2804)

ID-number	#2804
Material	straw
Classification	ECN Phyllis classification ▸ straw (stalk/cob/ear) ▸ wheat
Classification	NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [220] stro ▸ [223] tarwestro
Submitter organisation	ECN (Netherlands)
Submission date	2006-07-11
Remarks	Original article reports Lower Heating Value as received. May well have been HHV as received, in view of similar inaccuracy in specification of ultimate analysis.
Literature	G. Jang, G.A. Husseini, L.L. Baxter, M.R. Linford: Analysis of straw by X-ray photoelectron spectroscopy. Surface Science Spectra 11 (2004) 91-96

Values

Property											Unit	Value			Std dev	Det lim	Lab	Date	Method	Remarks
Property											Unit	ar	dry	daf	Std dev	Det lim	Lab	Date	Method	Remarks
Fuel Properties
	Proximate Analysis
		Moisture content									wt%	10.23
		Ash content									wt%	6.99	7.79
	Ultimate Analysis
		Carbon									wt%	40.83	45.48	49.33					Measured
		Hydrogen									wt%	5.49	6.12	6.63					Measured
		Nitrogen									wt%	0.47	0.52	0.57					Measured
		Sulphur									wt%	0.12	0.13	0.14					Measured
		Oxygen									wt%	35.87	39.96	43.33					Calculated
		Total (with halides)									wt%	100.00	100.00	100.00					Calculated
	Calorific Values
		Net calorific value (LHV)									MJ/kg	15.93	18.03	19.55
		Gross calorific value (HHV)									MJ/kg	17.38	19.36	21.00
		HHV_Milne									MJ/kg	16.73	18.64	20.21					Calculated
Ash Properties
	Ash composition
		SO₃									wt% (ash)	4.00
		Cl									wt% (ash)	5.60
		P₂O₅									wt% (ash)	3.20
		SiO₂									wt% (ash)	52.00
		Fe₂O₃									wt% (ash)	1.10
		Al₂O₃									wt% (ash)	0.60
		CaO									wt% (ash)	9.20
		MgO									wt% (ash)	1.80
		Na₂O									wt% (ash)	0.30
		K₂O									wt% (ash)	21.90