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Shear/compression of chips for lower energy consumption in TMP refining
RISE, STFI-Packforsk.
RISE, STFI-Packforsk.ORCID iD: 0000-0003-3534-1107
2008 (English)In: Appita journal, ISSN 1038-6807, Vol. 61, no 1, 49-55 p.Article in journal (Refereed) Published
Abstract [en]

Fundamental studies of the deformation behaviour of wood show that combining small amounts of shear along with compression within a roll press reduces the work required for cell wall deformation. This permanent deformation can be increased by: increased number of passes through the nip reduced roll speed increased process temperature. Refining trials showed that the strength properties (except for the tear index), as well as the optical properties of TMP produced from these shear/compression pretreated chips are improved, with the potential of reducing electric energy by approx. 100 kWh/tonne, when compared to untreated chips.

Place, publisher, year, edition, pages
2008. Vol. 61, no 1, 49-55 p.
Keyword [en]
Compression, Deformation, Energy, Energy consumption, Mechanical properties, Picea abies, Shear, Thermomechanical pulp, Wood
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:ri:diva-29712Scopus ID: 2-s2.0-38349091182OAI: oai:DiVA.org:ri-29712DiVA: diva2:1098982
Note

cited By 1

Available from: 2017-05-29 Created: 2017-05-29 Last updated: 2017-10-26Bibliographically approved

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