Biomass feedstock analyses

Carl Wilen, Antero Moilanen, Esa Kurkela

Research output: Book/ReportReportProfessional

11 Citations (Scopus)

Abstract

The overall objectives of the project Feasibility of electricity production from biomass by pressurized gasification systems within the EC Research Programme JOULE II were to evaluate the potential of advanced power production systems based on biomass gasification and to study the technical and economic feasibility of these new processes with diffrent type of biomass feedstocks. This report was prepared as part of this R&D project. The objectives of this task were to perform fuel analyses of potential woody and herbaceous biomasses with specific regard to the gasification properties of the selected feedstocks. The analyses of 15 Scandinavian and European biomass feedstock included density, proximate and ultimate analyses, trace com-pounds, ash composition and fusion behaviour in oxidicing and reducing atmospheres. The wood-derived fuels, such as whole-tree chips, forest residues, bark and to some extent willow, can be expected to have good gasification properties. Difficulties caused by ash fusion and sintering in straw combustion and gasification are generally known. The ash and alkali metal contents of the European biomasses harvested in Italy resembled those of the Nordic straws, and it is expected that they behave to a great extent as straw in gasification. Any direct relation between the ash fusion behavior (determined according to the standard method) and, for instance, the alkali metal content was not found in the laboratory determinations. A more profound characterisation of the fuels would require gasification experiments in a thermobalance and a PDU (Process development Unit) rig.
Original languageEnglish
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Number of pages39
ISBN (Print)951-38-4940-6
Publication statusPublished - 1996
MoE publication typeNot Eligible

Publication series

NameVTT Publications
PublisherVTT
No.282
ISSN (Print)1235-0621
ISSN (Electronic)1455-0849

Fingerprint

Ashes
Gasification
Feedstocks
Biomass
Straw
Fusion reactions
Alkali metals
Wood
Sintering
Electricity
Economics
Chemical analysis

Keywords

  • electric power production
  • biomass
  • gasification
  • fuels
  • analyzing
  • wood
  • bark
  • density (mass/volume)
  • trace elements
  • ashes
  • oxidizing atmosphere

Cite this

Wilen, C., Moilanen, A., & Kurkela, E. (1996). Biomass feedstock analyses. Espoo: VTT Technical Research Centre of Finland. VTT Publications, No. 282
Wilen, Carl ; Moilanen, Antero ; Kurkela, Esa. / Biomass feedstock analyses. Espoo : VTT Technical Research Centre of Finland, 1996. 39 p. (VTT Publications; No. 282).
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Wilen, C, Moilanen, A & Kurkela, E 1996, Biomass feedstock analyses. VTT Publications, no. 282, VTT Technical Research Centre of Finland, Espoo.

Biomass feedstock analyses. / Wilen, Carl; Moilanen, Antero; Kurkela, Esa.

Espoo : VTT Technical Research Centre of Finland, 1996. 39 p. (VTT Publications; No. 282).

Research output: Book/ReportReportProfessional

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AU - Moilanen, Antero

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N2 - The overall objectives of the project Feasibility of electricity production from biomass by pressurized gasification systems within the EC Research Programme JOULE II were to evaluate the potential of advanced power production systems based on biomass gasification and to study the technical and economic feasibility of these new processes with diffrent type of biomass feedstocks. This report was prepared as part of this R&D project. The objectives of this task were to perform fuel analyses of potential woody and herbaceous biomasses with specific regard to the gasification properties of the selected feedstocks. The analyses of 15 Scandinavian and European biomass feedstock included density, proximate and ultimate analyses, trace com-pounds, ash composition and fusion behaviour in oxidicing and reducing atmospheres. The wood-derived fuels, such as whole-tree chips, forest residues, bark and to some extent willow, can be expected to have good gasification properties. Difficulties caused by ash fusion and sintering in straw combustion and gasification are generally known. The ash and alkali metal contents of the European biomasses harvested in Italy resembled those of the Nordic straws, and it is expected that they behave to a great extent as straw in gasification. Any direct relation between the ash fusion behavior (determined according to the standard method) and, for instance, the alkali metal content was not found in the laboratory determinations. A more profound characterisation of the fuels would require gasification experiments in a thermobalance and a PDU (Process development Unit) rig.

AB - The overall objectives of the project Feasibility of electricity production from biomass by pressurized gasification systems within the EC Research Programme JOULE II were to evaluate the potential of advanced power production systems based on biomass gasification and to study the technical and economic feasibility of these new processes with diffrent type of biomass feedstocks. This report was prepared as part of this R&D project. The objectives of this task were to perform fuel analyses of potential woody and herbaceous biomasses with specific regard to the gasification properties of the selected feedstocks. The analyses of 15 Scandinavian and European biomass feedstock included density, proximate and ultimate analyses, trace com-pounds, ash composition and fusion behaviour in oxidicing and reducing atmospheres. The wood-derived fuels, such as whole-tree chips, forest residues, bark and to some extent willow, can be expected to have good gasification properties. Difficulties caused by ash fusion and sintering in straw combustion and gasification are generally known. The ash and alkali metal contents of the European biomasses harvested in Italy resembled those of the Nordic straws, and it is expected that they behave to a great extent as straw in gasification. Any direct relation between the ash fusion behavior (determined according to the standard method) and, for instance, the alkali metal content was not found in the laboratory determinations. A more profound characterisation of the fuels would require gasification experiments in a thermobalance and a PDU (Process development Unit) rig.

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KW - oxidizing atmosphere

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Wilen C, Moilanen A, Kurkela E. Biomass feedstock analyses. Espoo: VTT Technical Research Centre of Finland, 1996. 39 p. (VTT Publications; No. 282).