Hydrothermal treatment followed by enzymatic hydrolysis and hydrothermal carbonization as means to valorise agro- and forest-based biomass residues

Hanne Wikberg, Stina Grönqvist, Piritta Niemi, Atte Mikkelson, Matti Siika-aho, Heimo Kanerva, Andres Käsper, Tarja Tamminen

    Research output: Contribution to journalArticlepeer-review

    17 Citations (Scopus)

    Abstract

    The suitability of several abundant but underutilized agro and forest based biomass residues for hydrothermal treatment followed by enzymatic hydrolysis as well as for hydrothermal carbonization was studied. The selected approaches represent simple biotechnical and thermochemical treatment routes suitable for wet biomass. Based on the results, the hydrothermal pre-treatment followed by enzymatic hydrolysis seemed to be most suitable for processing of carbohydrate rich corn leaves, corn stover, wheat straw and willow. High content of thermally stable components (i.e. lignin) and low content of ash in the biomass were advantageous for hydrothermal carbonization of grape pomace, coffee cake, Scots pine bark and willow.
    Original languageEnglish
    Pages (from-to)70-78
    Number of pages9
    JournalBioresource Technology
    Volume235
    DOIs
    Publication statusPublished - 1 Jan 2017
    MoE publication typeA1 Journal article-refereed

    Keywords

    • hydrothermal carbonization
    • hydrothermal treatment
    • enzyme hydrolysis
    • lignocellulose
    • biomass

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