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Utilization of the natural variation in wood properties–a comparison between pilot plant and mill scale trials
Holmen Paper Development Center.
Holmen Paper Development Center.ORCID iD: 0000-0003-1881-6473
Holmen Paper AB.
Holmen Paper AB.
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2003 (English)In: Proceedings of International Mechanical Pulping Conference, Quebec City, 2003, p. 83-90Conference paper, Published paper (Refereed)
Abstract [en]

Four different pulpwood classes of Norway spruce (Picea abies (L.) Karst). were tested in mill scale production of TMP at Hallsta Papermill. The objectives of the trial were to evaluate both rather extreme and more traditional roundwood classes in a full-scale TMP-plant with respect to pulp properties and energy requirements. The experiment was partly based on the results from the proceeding pilot plant trial within the EuroFiber project. The results generally confirmed the findings in the pilot plant trial. Young wood with a high proportion of juvenile wood gave a pulp with attractive optical properties, but somewhat lower tear index and higher energy consumption. The other extreme, sawmill chips from old trees of heavy dimensions, required lower energy input and gave higher tear index, but inferior optical properties. The two more traditional classes gave pulps with properties between the two extremes.

Place, publisher, year, edition, pages
2003. p. 83-90
National Category
Other Chemical Engineering
Identifiers
URN: urn:nbn:se:miun:diva-34933ISBN: 1896742866 (print)OAI: oai:DiVA.org:miun-34933DiVA, id: diva2:1265006
Conference
International Mechanical Pulping Conference, Quebec City
Available from: 2018-11-21 Created: 2018-11-21 Last updated: 2019-02-25Bibliographically approved

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Persson, ErikEngstrand, Per

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