Development of biorefinery concepts based on slow pyrolysis

Leena Fagernäs, Eeva Kuoppala, Vesa Arpiainen

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

    Abstract

    Slow pyrolysis of hardwood was studied within the "BioRefine" Programme of Tekes during the years 2008 - 2013. The aims were to support and develop slow pyrolysis business operations in Finland and to develop new decentralized biorefineries and comprehensive concepts. Test runs were performed with different commercial carbonization retorts to study the quality and recovery of liquid and gaseous by-products. A slow pyrolysis testing facility was designed and built at VTT and test runs were carried out for birch wood at different carbonization temperatures to produce different biochars for further tests. Within the EC 7th FP project "SECTOR" torrefaction test runs were carried out with the test rig for birch, spruce and bamboo. The aim was to study the quality and utilization of condensables. Economic assessments were performed for biorefinery concepts based on slow pyrolysis, and torrefaction cases including the recovery of chemicals.
    Original languageEnglish
    Title of host publicationBioenergy from Forest: Bioenergy from Root to Boiler International Bioenergy Conference
    Subtitle of host publicationBook of proceedings
    PublisherBenet Oy
    Pages183-188
    ISBN (Print)978-952-67890-2-6
    Publication statusPublished - 2014
    MoE publication typeA4 Article in a conference publication
    EventBioenergy from Forest: Bioenergy from Root to Boiler International Bioenergy Conference - Helsinki, Finland
    Duration: 15 Sep 201418 Sep 2014

    Conference

    ConferenceBioenergy from Forest
    CountryFinland
    CityHelsinki
    Period15/09/1418/09/14

    Keywords

    • slow pyrolysis
    • torrefaction
    • biorefinery concepts

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