forest residue (#1995)

ID-number#1995
Materialforest residue
Classification ECN Phyllis classification ▸ untreated wood ▸ other soft wood
NTA 8003 classification ▸ [100] hout ▸ [110] vers hout ▸ [130] naaldhout ▸ [132] naaldhout met schors
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% 29.60
Ash content wt% 0.84 1.20
Volatile matter wt% 53.43 75.90 76.82
Fixed carbon wt% 16.12 22.90 23.18 Calculated

Ultimate Analysis

Carbon wt% 33.93 48.20 48.79 Measured
Hydrogen wt% 4.22 6.00 6.07 Measured
Nitrogen wt% 0.49 0.70 0.71 Measured
Sulphur wt% (dry) 0.10
Oxygen wt% 31.40 44.60 45.14 Measured
Total (with halides) wt% 100.49 100.70 100.71 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 11.10 16.79 16.99
Gross calorific value (HHV) MJ/kg 12.74 18.10 18.32
HHVMilne MJ/kg 13.32 18.91 19.14 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg (dry) 1 000.0

Ash Properties

Ash composition

P2O5 wt% (ash) 11.60
SiO2 wt% (ash) 2.77
Fe2O3 wt% (ash) 0.40
Al2O3 wt% (ash) 0.70
CaO wt% (ash) 28.60
MgO wt% (ash) 6.70
Na2O wt% (ash) 0.90
K2O wt% (ash) 23.90
TiO2 wt% (ash) 0.10