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  • 1.
    Holmgren, Magnus Andreas
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Förbrännings- och aerosolteknik.
    Hellström, Hanna
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Förbrännings- och aerosolteknik.
    Petersson, Anneli
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Förbrännings- och aerosolteknik.
    Blom, Angelika
    The Swedish voluntary agreement for control of methane emissions from biogas plants2012Conference paper (Other academic)
  • 2.
    Palmqvist, Benny
    et al.
    Lund University, Sweden; Novozymes A/S, Denmark.
    Kadić, Adnan
    Lund University, Sweden.
    Hägglund, Karin
    SEKAB E-Technology AB, Sweden.
    Petersson, Anneli
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Lidén, Gunnar
    Lund University, Sweden.
    Scale-up of high-solid enzymatic hydrolysis of steam-pretreated softwood: the effects of reactor flow conditions2016In: Biomass Conversion and Biorefinery, ISSN 2190-6815, E-ISSN 2190-6823, Vol. 6, no 2, p. 173-180Article in journal (Refereed)
    Abstract [en]

    The importance of flow conditions during scale-up of high-solid enzymatic hydrolysis of steam-pretreated spruce was demonstrated by comparing hydrolysis rates between laboratory (2 L) and demonstration (4 m3) scale. A positive effect of increased agitation speed on the rate of enzymatic hydrolysis was found regardless of scale. Importantly, the hydrolysis rate was higher at the larger scale when compared at similar specific power inputs. Changes in the rheological properties of the pretreated material during the hydrolysis were followed by off-line measurements of apparent viscosity. This information was used to estimate the flow conditions in the reactors, i.e., average Reynolds numbers, which together with measured mixing power consumptions enabled a more detailed comparison between the scales. The hydrolysis yields correlated better with average Reynolds numbers than specific power input over the different scales. This indicates that mass transport limitations, caused by insufficient bulk flow, likely play a decisive role in determining the rate of enzymatic hydrolysis.

  • 3.
    Petersson, Anneli
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Energiteknik (ET).
    The Swedish voluntary system for methane emissions2012Report (Refereed)
    Abstract [en]

    BIOGAS SUSTAINABILITY Information from IEA BIOENERGY TASK 37 Energy from Biogas http://www.iea-biogas.net/case-studies.html?file=files/daten-redaktion/download/case-studies/Case%20

  • 4.
    Petersson, Anneli
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Förbrännings- och aerosolteknik.
    Wännström, Sune
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi.
    Zacchi, Guido
    Syntes och verifiering av samlade erfarenheter och resultat från lignocellulosaetanolforskning2015Report (Refereed)
    Download full text (pdf)
    FULLTEXT01
1 - 4 of 4
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