straw (#1700)

ID-number#1700
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% 4.90
Volatile matter wt% 77.40 81.39
Fixed carbon wt% 17.70 18.61 Calculated

Ultimate Analysis

Carbon wt% 47.30 49.74 Measured
Hydrogen wt% 5.80 6.10 Measured
Nitrogen wt% 0.50 0.53 Measured
Sulphur wt% 0.10 0.11 Measured
Oxygen wt% 41.23 43.35 Calculated
Total (with halides) wt% 100.00 100.00 Calculated

Calorific Values

HHVMilne MJ/kg 18.72 19.69 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 1 700.0 1 787.6 Measured

Ash Properties

Ash composition

CO2 wt% (ash) 1.30
SO3 wt% (ash) 2.90
Cl wt% (ash) 2.10
P2O5 wt% (ash) 1.90
SiO2 wt% (ash) 56.30
Fe2O3 wt% (ash) 0.60
Al2O3 wt% (ash) 0.50
CaO wt% (ash) 6.30
MgO wt% (ash) 1.40
Na2O wt% (ash) 0.20
K2O wt% (ash) 12.60