wheat and barley (9 and 3 samples) (#2275)

ID-number#2275
Materialwheat and barley (9 and 3 samples)
Classification ECN Phyllis classification ▸ straw (stalk/cob/ear) ▸ others
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [220] stro ▸ [221] mengsel stro
Ash type815°C
Submitter organisationECN (Netherlands)
Submission date2002-08-05
Remarksaverage values from 12 samples; article gives minimum, maximum and standard deviations too.
LiteratureJ. Hernadez Allica, A.J. Mitre, J.A. Gomzalez Bustamante, C. Itoiz, F. Blance, I. Alkorta, C. Garbisu: Straw quality for its combustion in a straw-fired power plant. Biomass and Bioenergy 21 (2001) 249-258.

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 9.81
Ash content wt% 4.47 4.96
Volatile matter wt% 68.09 75.50 79.44
Fixed carbon wt% 17.62 19.54 20.56 Calculated

Ultimate Analysis

Carbon wt% 40.19 44.56 46.89 Measured
Hydrogen wt% 5.43 6.02 6.33 Measured
Nitrogen wt% 0.56 0.62 0.65 Measured
Sulphur wt% 0.06 0.07 0.07 Measured
Oxygen wt% 39.22 43.49 45.76 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 15.32 17.26 18.16
Gross calorific value (HHV) MJ/kg 16.75 18.57 19.54
HHVMilne MJ/kg 16.04 17.79 18.72 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 2 571.5 2 851.2 3 000.0 Measured

Ash Properties

Ash composition

P2O5 wt% (ash) 2.66
SiO2 wt% (ash) 41.49
Fe2O3 wt% (ash) 0.37
Al2O3 wt% (ash) 0.90
CaO wt% (ash) 10.26
MgO wt% (ash) 2.13
Na2O wt% (ash) 1.18
K2O wt% (ash) 18.72