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  • Kraft pulping of Douglas-fir with soluble anthraquinone

    Creator:
    Dutta, Tapas
    Abstract:
    Several additives have been used in research and on an industrial scale to improve the pulp yield and to increase the rate of delignification. One such additive is 1,4- dihydro- 9,10-dihydroxyanthracene (DDA), also called soluble anthraquinone. This chemical is widely used in Japan and some other countries, especially with the...
    Resource Type:
    Masters Thesis