Summer switchgrass (#717)

ID-number#717
MaterialSummer switchgrass
Classification ECN Phyllis classification ▸ grass/plant ▸ switch grass
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [210] gras ▸ [219] overig gras
Ash typeASTM D1102; 600C ASTM D 1102, 600 Degree Celcius
Submitter organisationECN (Netherlands)
LiteratureT. R. Miles, T. R. Miles,Jr, L. Baxter, R. W. Bryers, B. M. Jenkins and L. L. Oden: Alkali deposits found in biomass power plants. A preliminary investigation of their extend and nature, NREL/TP-433-8142, 82 p. (1995).

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 13.27
Ash content wt% 2.33 2.69
Volatile matter wt% 71.93 82.94 85.23
Fixed carbon wt% 12.47 14.38 14.77 Calculated

Ultimate Analysis

Carbon wt% 41.21 47.52 48.83 Measured
Hydrogen wt% 5.03 5.80 5.96 Measured
Nitrogen wt% 0.31 0.36 0.37 Measured
Sulphur wt% 0.04 0.05 0.05 Measured
Oxygen wt% 37.81 43.60 44.80 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 14.67 17.29 17.77
Gross calorific value (HHV) MJ/kg 16.10 18.56 19.07
HHVMilne MJ/kg 16.10 18.56 19.07 Calculated

Ash Properties

Ash composition

SO3 wt% (ash) 0.80
P2O5 wt% (ash) 3.09
SiO2 wt% (ash) 61.64
Fe2O3 wt% (ash) 1.08
Al2O3 wt% (ash) 1.32
CaO wt% (ash) 11.11
MgO wt% (ash) 4.86
Na2O wt% (ash) 0.64
K2O wt% (ash) 8.24
TiO2 wt% (ash) 0.19