straw (#1701)

ID-number#1701
Materialstraw
Classification ECN Phyllis classification ▸ straw (stalk/cob/ear) ▸ others ▸ straw
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [220] stro
Ash type550 degC
Submitter organisationECN (Netherlands)
Submission date1999-10-15
LiteratureB.J.Skrifvars, M.Hupa, A.Moilanen and R.Lundqvist: Characterization of biomass ashes. In: Proc. Applications of advanced technology to ash-related problems in boilers (Eds. L.Baxter and R.DeSollar), pp. 383-398, Plenum Press, New York (1996).

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% 4.50
Volatile matter wt% 76.90 80.52
Fixed carbon wt% 18.60 19.48 Calculated

Ultimate Analysis

Carbon wt% 47.10 49.32 Measured
Hydrogen wt% 5.90 6.18 Measured
Nitrogen wt% 0.60 0.63 Measured
Sulphur wt% 0.10 0.10 Measured
Oxygen wt% 41.80 43.77 Calculated
Total (with halides) wt% 100.00 100.00 Calculated

Calorific Values

HHVMilne MJ/kg 18.71 19.60 Calculated

Ash Properties

Ash composition

CO2 wt% (ash) 6.10
SO3 wt% (ash) 2.30
Cl wt% (ash) 3.15
P2O5 wt% (ash) 2.10
SiO2 wt% (ash) 34.20
Fe2O3 wt% (ash) 0.50
Al2O3 wt% (ash) 0.40
CaO wt% (ash) 9.10
MgO wt% (ash) 2.00
Na2O wt% (ash) 0.10
K2O wt% (ash) 24.70