Evaluation of Wastewater Treatment Requirements for Thermochemical Biomass Liquefaction

    Research output: NRELTechnical Report


    Biomass can provide a substantial energy source. Liquids are preferred for use as transportation fuels because of their high energy density and handling ease and safety. Liquid fuel production from biomass can be accomplished by any of several different processes including hydrolysis and fermentation of the carbohydrates to alcohol fuels, thermal gasification and synthesis of alcohol orhydrocarbon fuels, direct extraction of biologically produced hydrocarbons such as seed oils or algae lipids, or direct thermochemical conversion of the biomass to liquids and catalytic upgrading to hydrocarbon fuels. This report discusses direct thermochemical conversion to achieve biomass liquefaction and the requirements for wastewater treatment inherent in such processing.
    Original languageAmerican English
    Number of pages25
    StatePublished - 1992

    Bibliographical note

    Work performed by Pacific Northwest Laboratory, Richland, Washington

    NREL Publication Number

    • NREL/TP-421-4715


    • alternative energy
    • biomass
    • liquefaction
    • thermochemical conversion
    • wastewater treatment


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