switchgrass (#2428)

ID-number#2428
Materialswitchgrass
Classification ECN Phyllis classification ▸ grass/plant ▸ switch grass ▸ switchgrass
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [210] gras ▸ [219] overig gras
Submitter organisationECN (Netherlands)
Submission date2003-04-08
Remarkscave in rock
LiteratureR. Lemus, E.C. Brummer, K.J. Moore, N.E. Molstad, C.L. Burras, M.F. Barker: Biomass yield and quality of 20 switchgrass populations in southern Iowa, Usa. Biomass & bioenergy 23 (2002) 433-442.

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% 6.00
Volatile matter wt% 81.70 86.91
Fixed carbon wt% 12.30 13.09 Calculated

Ultimate Analysis

Carbon wt% 47.30 50.32 Average
Hydrogen wt% 5.30 5.64 Average
Nitrogen wt% 0.51 0.54 Average
Sulphur wt% 0.13 0.14 Average
Oxygen wt% 41.10 43.72 Average
Total (with halides) wt% 100.34 100.36 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 16.37 17.41
Gross calorific value (HHV) MJ/kg 17.53 18.65
HHVMilne MJ/kg 18.07 19.22 Calculated

Chemical Analyses

Biochemical composition

Cellulose wt% (dry) 37.90 van Soest
Hemicellulose wt% (dry) 32.00 van Soest
Lignin wt% (dry) 6.70 Average
Total ash + biochemical wt% (dry) 82.60 Calculated

Ash Properties

Ash composition

Cl wt% (ash) 0.28
P2O5 wt% (ash) 5.60
SiO2 wt% (ash) 58.80
Fe2O3 wt% (ash) 0.35
Al2O3 wt% (ash) 0.70
CaO wt% (ash) 12.10
MgO wt% (ash) 3.50
Na2O wt% (ash) 0.10
K2O wt% (ash) 8.10