Sökning: "Tor Sewring"

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  1. 1. Precipitation of Kraft Lignin from Aqueous Solutions

    Författare :Tor Sewring; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; modified Poisson-Boltzmann model; particle size distribution; pair interactions; kraft lignin; acid precipitation; in situ measurements;

    Sammanfattning : One way of improving the materials yield of a kraft paper pulp process, and simultaneously providing the industry with aromatic macromolecular structures, is to extract lignin from the black liquor. This can be done by lowering the pH of the black liquor, which will result in the precipitation of the lignin. LÄS MER