wood chips from Varnamo Sweden (#1890)

ID-number#1890
Materialwood chips from Varnamo Sweden
Classification ECN Phyllis classification ▸ untreated wood ▸ others
NTA 8003 classification ▸ [100] hout ▸ [110] vers hout ▸ [119] overig vers hout
Submitter organisationECN (Netherlands)
Submission date2001-01-25
RemarksUsed in Varnamo gasification plant and VTT test facility
LiteratureE.Kurkela, et al: CFB gasification of biomass residues for co-combustion in large utility boilers - studies on ash control and gas cleaning. In: VTT Symposium 192: Power production from biomass III, pp. 213-227, Espoo (Finland) (1999).

Values

Property Unit Value Std dev Det lim Lab Date Method Remarks
ar dry daf

Fuel Properties

Proximate Analysis

Moisture content wt% 13.30
Ash content wt% 1.56 1.80
Volatile matter wt% 65.46 75.50 76.88
Fixed carbon wt% 19.68 22.70 23.12 Calculated

Ultimate Analysis

Carbon wt% 44.56 51.40 52.34 Measured
Hydrogen wt% 5.20 6.00 6.11 Measured
Nitrogen wt% 0.26 0.30 0.31 Measured
Sulphur wt% 0.03 0.03 0.03 Measured
Oxygen wt% 35.09 40.47 41.21 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

HHVMilne MJ/kg 17.81 20.54 20.92 Calculated