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Measurement and prediction of dewatering characteristics for mechanical pulps using optical fibre analyzers
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics. (FSCN – Fibre Science and Communication Network)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media. (Electronics design division)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics. (FSCN – Fibre Science and Communication Network)
SCA R&D Center.
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2009 (English)In: Proceedings - 2009 International Mechanical Pulping Conference, IMPC 2009, 2009, p. 309-316Conference paper, Published paper (Refereed)
Abstract [en]

The aim of this work was to obtain an on-line measurement for dewatering behaviour in the wire section based on fibre and fines characteristics. Four laboratory dewatering equipments were compared and the fibre characteristics were measured by means of optical fibre analyzers.

The results show that rough correlations do appear to exist between the dewatering equipments; however they rank the pulps differently depending on the raw wood material used and whether the refining conditions are mild or harsh. The prediction models based on fibre characteristics showed a high degree of statistical accuracy. The descriptions, however, proved not to be sufficiently good with regards to the dewatering behaviour for them to be used in relation to on-line applications. This might have been because consideration was not given to some important variables which do, in fact, have a significant impact on the drainability. These variables could include physical fibre properties or others that are not measured, or properties that, at present, are unable to be measured at a sufficient resolution.

Place, publisher, year, edition, pages
2009. p. 309-316
Keyword [en]
Dewatering equipment; Drainability; Fibre properties; Not given; On-line applications; On-line measurement; Optical fibre; Prediction model; Refining conditions; Significant impacts; Statistical accuracy; Wire section; Wood raw material
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:miun:diva-8951Scopus ID: 2-s2.0-77951133221OAI: oai:DiVA.org:miun-8951DiVA, id: diva2:218015
Conference
2009 International Mechanical Pulping Conference, IMPC 2009; Sundsvall; 31 May 2009 through 4 June 2009; Code 79937
Projects
Sensible things that communicate
Available from: 2009-05-18 Created: 2009-05-18 Last updated: 2010-06-14Bibliographically approved

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Nordin, LisaO'Nils, MattiasEngstrand, Per

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Citation style
  • apa
  • ieee
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  • Other style
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  • de-DE
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