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Practical pulp washing implications of Donnan equlibria in the fiber line
Umeå University, Faculty of Science and Technology, Department of Chemistry. (Industridoktorand)
Umeå University, Faculty of Science and Technology, Department of Chemistry.
Umeå University, Faculty of Science and Technology, Department of Chemistry.
2006 (English)In: Nordic Pulp and Paper Research Journal, Vol. 21, no 2, 264-71 p.Article in journal (Refereed) Published
Abstract [en]

The washing of dissolved lignin residues from fibers is significantly favored at low ionic strengths. This is shown to affect the standard procedures for COD analysis of pulp, and evaluations of washing efficiency. In the paper, strategies to take advantage of the effect, in storage towers and in washing equipment, are discussed.

Place, publisher, year, edition, pages
2006. Vol. 21, no 2, 264-71 p.
Keyword [en]
COD, Donnan equilibrium, Leaching, Ligning residues, Pressing, Pulp washing, Washing evaluation
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:umu:diva-12345DOI: 10.3183/NPPRJ-2006-21-02-p264-271OAI: oai:DiVA.org:umu-12345DiVA: diva2:152016
Available from: 2007-04-16 Created: 2007-04-16 Last updated: 2012-02-10Bibliographically approved

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Öhman, Lars-Olof

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