alfalfa (lucern) (#1993)
ID-number | #1993 |
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Material | alfalfa (lucern) |
Classification | ECN Phyllis classification ▸ grass/plant ▸ alfalfa |
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [240] gewassen ▸ [249] overige gewassen | |
Ash type | Swedish ash standard Biobränslen-Bestämning av askhalt SS 18 71 71 |
Submitter organisation | ECN (Netherlands) |
Submission date | 2001-02-23 |
Literature | Hallgren,A.L.; Engvall,K.; Skrifvars,B.-J.: Ash-induced operational difficulties in fluidised bed firing of biofuels and waste; Proc. 4th biomass conference of the Americas, p.1365-1370 |
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% | 10.00 | ||||||||||||||||||
Ash content | wt% | 8.46 | 9.40 | |||||||||||||||||
Volatile matter | wt% | 66.51 | 73.90 | 81.57 | ||||||||||||||||
Fixed carbon | wt% | 15.03 | 16.70 | 18.43 | Calculated | |||||||||||||||
Ultimate analysis (macroelements) |
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Carbon | wt% | 40.50 | 45.00 | 49.67 | Measured | |||||||||||||||
Hydrogen | wt% | 5.40 | 6.00 | 6.62 | Measured | |||||||||||||||
Oxygen | wt% | 33.21 | 36.90 | 40.73 | Measured | |||||||||||||||
Nitrogen | wt% | 2.25 | 2.50 | 2.76 | Measured | |||||||||||||||
Sulphur | wt% | 1.80 | 2.00 | 2.21 | Measured | |||||||||||||||
Total (with halides) | wt% | 101.89 | 102.10 | 102.32 | Calculated | |||||||||||||||
Halides |
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Chlorine (Cl) | mg/kg | 2 700.0 | 3 000.0 | 3 311.3 | Measured | |||||||||||||||
Heating value |
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Net calorific value (LHV) | MJ/kg | 15.32 | 17.29 | 19.08 | ||||||||||||||||
Gross calorific value (HHV) | MJ/kg | 16.74 | 18.60 | 20.53 | ||||||||||||||||
HHVMilne | MJ/kg | 16.70 | 18.56 | 20.48 | Calculated | |||||||||||||||
Ash Properties |
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Ash composition |
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P2O5 | wt% (ash) | 7.60 | ||||||||||||||||||
SiO2 | wt% (ash) | 3.30 | ||||||||||||||||||
Fe2O3 | wt% (ash) | 0.30 | ||||||||||||||||||
Al2O3 | wt% (ash) | 0.30 | ||||||||||||||||||
CaO | wt% (ash) | 27.70 | ||||||||||||||||||
MgO | wt% (ash) | 3.10 | ||||||||||||||||||
Na2O | wt% (ash) | 0.70 | ||||||||||||||||||
K2O | wt% (ash) | 28.40 |