Liquid biofuels from wastes and biomass - towards demonstration

Yrjö Solantausta, Anja Oasmaa, Vesa Arpiainen

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

VTT is developing integrated fast pyrolysis, where production of bio-oil is coupled to a fluidized-bed boiler plant. The arrangement has lower capital and operation cost compared to stand-alone pyrolysis facilities. This paper presents some of the experimental results obtained during the work. The current challenge is to find an industrial site, where operation at larger scale may be verified. For the applications, experimental data was generated related to the specific feedstock and taking into consideration liquid product properties. Industrial wood waste, forest residues, wheat straw, reed canary grass, timothy hay, eucalyptus chips, and pine sawdust (a reference material) were pyrolysed. High yields of organic liquid were received from wood feedstock with relatively low ash content, whereas annual crops with high ash content yield considerable lower amounts of organics. However, due to the integration of pyrolysis to a boiler, the overall economics of the system developed is much less sensitive to reduced yields of organics than stand-alone pyrolysis plants. The reason for this is that material not converted to bio-oil will be replacing fuel in the main boiler. Economic assessments generated in the project have been attractive, and further development of the concept is being pursued. This may take place at an existing fluidized-bed boiler, where enough space is available to locate the pyrolysis reactor close to the main boiler, or at a new boiler site.
Original languageEnglish
Title of host publicationProceedings of the 15th European Biomass Conference and Exhibition
ISBN (Electronic)978-88-89407-59-X
Publication statusPublished - 2007
MoE publication typeA4 Article in a conference publication
Event15th European Biomass Conference & Exhibition - Berlin, Germany
Duration: 7 May 200711 May 2007
Conference number: 15

Conference

Conference15th European Biomass Conference & Exhibition
CountryGermany
CityBerlin
Period7/05/0711/05/07

Fingerprint

Biofuels
Boilers
Biomass
Demonstrations
Ashes
Pyrolysis
Liquids
Fluidized beds
Feedstocks
Wood wastes
Sawdust
Economics
Industrial wastes
Straw
Crops
Wood
Costs

Keywords

  • biofuel
  • bio-oil
  • pyrolysis
  • waste
  • biomass
  • demonstration

Cite this

Solantausta, Y., Oasmaa, A., & Arpiainen, V. (2007). Liquid biofuels from wastes and biomass - towards demonstration. In Proceedings of the 15th European Biomass Conference and Exhibition
Solantausta, Yrjö ; Oasmaa, Anja ; Arpiainen, Vesa. / Liquid biofuels from wastes and biomass - towards demonstration. Proceedings of the 15th European Biomass Conference and Exhibition . 2007.
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Solantausta, Y, Oasmaa, A & Arpiainen, V 2007, Liquid biofuels from wastes and biomass - towards demonstration. in Proceedings of the 15th European Biomass Conference and Exhibition . 15th European Biomass Conference & Exhibition, Berlin, Germany, 7/05/07.

Liquid biofuels from wastes and biomass - towards demonstration. / Solantausta, Yrjö; Oasmaa, Anja; Arpiainen, Vesa.

Proceedings of the 15th European Biomass Conference and Exhibition . 2007.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

TY - GEN

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AU - Oasmaa, Anja

AU - Arpiainen, Vesa

PY - 2007

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N2 - VTT is developing integrated fast pyrolysis, where production of bio-oil is coupled to a fluidized-bed boiler plant. The arrangement has lower capital and operation cost compared to stand-alone pyrolysis facilities. This paper presents some of the experimental results obtained during the work. The current challenge is to find an industrial site, where operation at larger scale may be verified. For the applications, experimental data was generated related to the specific feedstock and taking into consideration liquid product properties. Industrial wood waste, forest residues, wheat straw, reed canary grass, timothy hay, eucalyptus chips, and pine sawdust (a reference material) were pyrolysed. High yields of organic liquid were received from wood feedstock with relatively low ash content, whereas annual crops with high ash content yield considerable lower amounts of organics. However, due to the integration of pyrolysis to a boiler, the overall economics of the system developed is much less sensitive to reduced yields of organics than stand-alone pyrolysis plants. The reason for this is that material not converted to bio-oil will be replacing fuel in the main boiler. Economic assessments generated in the project have been attractive, and further development of the concept is being pursued. This may take place at an existing fluidized-bed boiler, where enough space is available to locate the pyrolysis reactor close to the main boiler, or at a new boiler site.

AB - VTT is developing integrated fast pyrolysis, where production of bio-oil is coupled to a fluidized-bed boiler plant. The arrangement has lower capital and operation cost compared to stand-alone pyrolysis facilities. This paper presents some of the experimental results obtained during the work. The current challenge is to find an industrial site, where operation at larger scale may be verified. For the applications, experimental data was generated related to the specific feedstock and taking into consideration liquid product properties. Industrial wood waste, forest residues, wheat straw, reed canary grass, timothy hay, eucalyptus chips, and pine sawdust (a reference material) were pyrolysed. High yields of organic liquid were received from wood feedstock with relatively low ash content, whereas annual crops with high ash content yield considerable lower amounts of organics. However, due to the integration of pyrolysis to a boiler, the overall economics of the system developed is much less sensitive to reduced yields of organics than stand-alone pyrolysis plants. The reason for this is that material not converted to bio-oil will be replacing fuel in the main boiler. Economic assessments generated in the project have been attractive, and further development of the concept is being pursued. This may take place at an existing fluidized-bed boiler, where enough space is available to locate the pyrolysis reactor close to the main boiler, or at a new boiler site.

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Solantausta Y, Oasmaa A, Arpiainen V. Liquid biofuels from wastes and biomass - towards demonstration. In Proceedings of the 15th European Biomass Conference and Exhibition . 2007