Search for dissertations about: "Ragnar Sjödahl"

Found 2 swedish dissertations containing the words Ragnar Sjödahl.

  2. 1. The influence of dissolved wood components and sodium ion concentration on kraft pulping

    Author : Ragnar Sjödahl; Monica Ek; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : .... READ MORE

  4. 2. Some aspects on the effects of dissolved wood components in kraft pulping

    Author : Ragnar Sjödahl; Mikael E. Lindström; Hasan Jameel; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Delignification; Dissolved wood components; Black liquor; Defibration point; Cellulose and paper engineering; Cellulosa- och pappersteknik;

    Abstract : During kraft cooking a significant part of the wood material, especially lignin and hemicelluloses, is degraded and dissolved in the cooking liquor, rendering a broad range of degradation products with different molecular mass and functional groups. The main part of this thesis has been devoted to clarify the role of these dissolved wood components (DWC) during kraft cooking. READ MORE