Summer switchgrass (#717)
ID-number | #717 |
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Material | Summer switchgrass |
Classification | ECN Phyllis classification ▸ grass/plant ▸ switch grass |
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [210] gras ▸ [219] overig gras | |
Ash type | ASTM D1102; 600C ASTM D 1102, 600 Degree Celcius |
Submitter organisation | ECN (Netherlands) |
Literature | T. 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 | ||||||||||||
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ar | dry | daf | ||||||||||||||||||
Main biomass properties |
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Proximate analysis |
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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 (macroelements) |
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Carbon | wt% | 41.21 | 47.52 | 48.83 | Measured | |||||||||||||||
Hydrogen | wt% | 5.03 | 5.80 | 5.96 | Measured | |||||||||||||||
Oxygen | wt% | 37.81 | 43.60 | 44.80 | Calculated | |||||||||||||||
Nitrogen | wt% | 0.31 | 0.36 | 0.37 | Measured | |||||||||||||||
Sulphur | wt% | 0.04 | 0.05 | 0.05 | Measured | |||||||||||||||
Total (with halides) | wt% | 100.00 | 100.00 | 100.00 | Calculated | |||||||||||||||
Heating value |
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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 |
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Ash composition |
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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 |