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  1. Prehydrolysis of birch wood with sulfur dioxide

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    Author(s): Edward L. Springer; Kimball A. Libkie
    Date: 1980
    Source: Tappi. Vol. 63, no. 7 (July 1980): pages 119-120.
    Publication Series: Miscellaneous Publication
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    Description

    Work in progress on prehydrolysis of white birch (Betula papyrifera) wood with sulfur dioxide presents an alternative means for producing a relatively concentrated pentose solution with a very small requirement for steam or other forms of energy. The key ideas are to conduct the prehydrolysis reaction at a very low liquor-to-wood ratio (called vapor-phase cooking in the pulp industry) and to obtain a relatively concentrated solution by countercurrently extracting the xylose, xylose oligomers, and other solubilized material from the reacted chips.

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    Citation

    Springer, Edward L.; Libkie, Kimball A. 1980. Prehydrolysis of birch wood with sulfur dioxide. Tappi. Vol. 63, no. 7 (July 1980): pages 119-120.

    Keywords

    Xylose, xylan, hemicelluloses, furfural, biomass, ethanol, cellulose, glucose, xylitol, yeasts, sulfur dioxide, energy, extraction, hydrolysis, white birch, vapor phase cooking, oligomers, reacted chips

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