alfalfa (lucern) (#1993)

ID-number#1993
Materialalfalfa (lucern)
Classification ECN Phyllis classification ▸ grass/plant ▸ alfalfa
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [240] gewassen ▸ [249] overige gewassen
Ash typeSwedish ash standard Biobränslen-Bestämning av askhalt SS 18 71 71
Submitter organisationECN (Netherlands)
Submission date2001-02-23
LiteratureHallgren,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
ar dry daf

Fuel Properties

Proximate Analysis

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

Carbon wt% 40.50 45.00 49.67 Measured
Hydrogen wt% 5.40 6.00 6.62 Measured
Nitrogen wt% 2.25 2.50 2.76 Measured
Sulphur wt% 1.80 2.00 2.21 Measured
Oxygen wt% 33.21 36.90 40.73 Measured
Total (with halides) wt% 101.89 102.10 102.32 Calculated

Calorific Values

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

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 2 700.0 3 000.0 3 311.3 Measured

Ash Properties

Ash composition

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