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    Description

    Three pulp mills in North America using 50% hydrogen peroxide have suffered explosions of pumps, mixers, and tanks. In two instances, alkali-catalyzed decomposition of peroxide is implicated in the explosion. Although many mechanical pulping facilities use hydrogen peroxide to bleach pulp, no &-catalyzed explosions have been reported. This research uses a kinetic model of peroxide decomposition to explain why the peroxide bleaching process used for mechanical pulps has lower than processes used to bleach chemical pulps.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Hart, P.W.; Rudie, A.W. 2010. A comparative evaluation of explosion hazards in chemical and mechanical pulp bleaching systems. Pulp & paper Canada. Vol. 111, no. 4 (July/Aug. 2010): p. 19-22.

    Keywords

    Decomposition, contamination, risk management, explosives, safety measures, wood-pulp industry, bleaching, pulping, hydrogen peroxide, oxidation, industrial safety, pulp mills, catalysis, chemical reactions, industrial chemistry, pulp, pulp and paper processes, chemical pulping, mechanical pulping

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https://www.fs.usda.gov/treesearch/pubs/39487