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Behandling av slutblekt massa med i ett milt alkaliskt syrgassteg för att reducera eftergulning: Method for treatment of bleached chemical pulp
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0002-2900-4713
2005 (Swedish)Patent (Other (popular science, discussion, etc.))
Abstract [en]

The invention concerns a treatment step for what is known as fully bleached cellulose pulp, which maintains a brightness that exceeds ISO 88. With the aim of reducing brightness reversion and also with the aim to a certain degree of achieving an increase in brightness, the fully bleached pulp is treated in a mild alkaline oxygen gas step. The tendency for brightness reversion expressed in PC number can be reduced by as much as 25-40%.

Place, publisher, year, edition, pages
National Category
Chemical Sciences
URN: urn:nbn:se:kth:diva-49188OAI: diva2:459373
SE 528066 (2006-08-22)

QC 20111125. QC 20130807

Available from: 2011-11-25 Created: 2011-11-25 Last updated: 2013-08-07Bibliographically approved

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Lindström, Mikael
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Fibre and Polymer Technology
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ReferencesLink to record
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