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Improved oxygen delignification of bisulfite pulps.
KTH, Superseded Departments, Pulp and Paper Technology.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology.
1996 (English)In: Proceedings Int. Pulp Bleaching: Book 2, 1996, 14-18 p.Conference paper (Refereed)
Abstract [en]

The role of peracetic acid in improving a second oxygen delignification step of softwood bisulfite pulp was investigated.  The results showed that peracetic acid improved the degree of delignification in a second oxygen stage, probably by increasing the content of free phenolic hydroxyl groups and therefore making the lignin more receptive to a second oxygen stage.  Oxygen pressurized peracetic acid stages were also studied and compared to atm. peracetic acid stages.  Pressurized peracetic acid stages gave only a minor effect in lowering the Kappa no.

Place, publisher, year, edition, pages
1996. 14-18 p.
National Category
Polymer Technologies Polymer Chemistry
URN: urn:nbn:se:kth:diva-79840OAI: diva2:497954
Int. Pulp Bleaching, Washington April 14-18, 1996
NR 20140805Available from: 2012-02-11 Created: 2012-02-09 Last updated: 2012-02-11Bibliographically approved

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