Optimisation study of ironmaking using biomass

    Tutkimustuotos: LehtiartikkeliArtikkeliTieteellinenvertaisarvioitu

    11 Sitaatiot (Scopus)

    Abstrakti

    The economic advantage of using biomass as partial substitute for fossil reductants in the blast furnace (BF) process was studied by simulation. A thermodynamic model of the BF was used in combination with simple models of the coke plant, sinter plant, hot stoves, basic oxygen furnace and power plant. Pretreatment of the biomass before its injection in the BF is considered in a pyrolysis unit where the carbon content and heating value are raised and the oxygen content is lowered, which is beneficial for the BF. The system was optimised with respect to the price of raw steel, considering costs of raw materials, energy and CO(2) emissions of the unit processes. The study demonstrates that biomass in partially pyrolysed form is a potential auxiliary reductant and that the optimal states of operation within certain regions depend strongly on the price structure of the raw materials and emissions.
    AlkuperäiskieliEi tiedossa
    Sivut590–598
    Sivumäärä9
    JulkaisuIronmaking and Steelmaking
    Vuosikerta37
    Numero8
    DOI - pysyväislinkit
    TilaJulkaistu - 2010
    OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

    Keywords

    • Biomass injection
    • CO(2) emissions
    • Iron- and steelmaking
    • Optimisation

    Viittausmuodot