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Potential uses for peroxymonosulfate in pulping and bleachingAuthor(s): Edward L. Springer
Source: Proceedings of the 1989 and 1990 AIChe Forest Products Symposium : November 5-10, 1989, San Francisco, California ; November 11-16, 1990, Chicago, Illinois. Atlanta, GA : TAPPI Press, 1992: pages 113-120.
Publication Series: Miscellaneous Publication
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DescriptionPractical and cost-effective uses for peroxymonosulfate can be developed in pulping and bleaching. Peroxymonosulfate pulping produces strong pulps, has lower capital requirements, and is less environmentally troublesome compared with current pulping processes. The cost of oxidant may, however, be somewhat too high for practical use. We discuss means for reducing the cost and for disposal or recovery of the spent treating liquors. Low-lignin chemical pulps were effectively bleached by alkaline solutions of peroxymonosulfate. Our results indicate that a practical bleaching sequence can probably be developed employing only peroxymonosulfate and oxygen as oxidizing agents.
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CitationSpringer, Edward L. 1992. Potential uses for peroxymonosulfate in pulping and bleaching. Proceedings of the 1989 and 1990 AIChe Forest Products Symposium : November 5-10, 1989, San Francisco, California ; November 11-16, 1990, Chicago, Illinois. Atlanta, GA : TAPPI Press, 1992: pages 113-120.
KeywordsPopulus, hardwoods, peroxides, sulfuric acid, pulping, bleaching, cost effectiveness analysis, use efficiency, hydrogen peroxide, aspen, peroxymonosulfuric acid
- Kraft pulping of industrial wood waste
- Delignification of wood and kraft pulp with polyoxometalates
- Papermaking properties of aspen ultrahigh-yield mechanical pulps
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