wheat straw (#2141)

ID-number#2141
Materialwheat straw
Classification ECN Phyllis classification ▸ straw (stalk/cob/ear) ▸ wheat ▸ wheat straw
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [220] stro ▸ [223] tarwestro
Sample lot size1.5 mm sieve
Submitter organisationECN (Netherlands)
Submission date2001-04-20
LiteratureStorm,C.; Spliethoff, H.; Hein,K.R.G.: Generation of a gaseous fuel by gasification or pyrolysis of biomass for use as reburn gas in coal-fired boilers. Proceedings 5th European Conference on Industrial Furnaces and Boilers, 2000, vol. 1 p.689-699.

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 8.30
Ash content wt% 4.77 5.20
Volatile matter wt% 71.34 77.80 82.07
Fixed carbon wt% 15.59 17.00 17.93 Calculated

Ultimate Analysis

Carbon wt% 43.21 47.12 49.70 Measured
Hydrogen wt% 5.30 5.78 6.10 Measured
Nitrogen wt% 0.43 0.47 0.50 Measured
Sulphur wt% 0.17 0.19 0.20 Measured
Oxygen wt% 36.86 40.20 42.40 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 14.90 16.47 17.38
Gross calorific value (HHV) MJ/kg 16.26 17.73 18.71
HHVMilne MJ/kg 17.21 18.77 19.80 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 9 562.5 10 428.0 11 000.0 Measured

Ash Properties

Ash composition

SiO2 wt% (ash) 36.60
Fe2O3 wt% (ash) 0.60
Al2O3 wt% (ash) 0.80
CaO wt% (ash) 10.20
MgO wt% (ash) 2.50
Na2O wt% (ash) 2.30
K2O wt% (ash) 36.70