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The web structure in relation to the furnish composition and shoe press pulse profiles during wet pressing
NTNU Norwegian University of Science and Technology, Norway.
NTNU Norwegian University of Science and Technology, Norway.
RISE, Innventia, PFI – Paper and Fiber Research Institute.ORCID iD: 0000-0002-6183-2017
RISE, Innventia, PFI – Paper and Fiber Research Institute.ORCID iD: 0000-0001-9790-0678
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2012 (English)In: Nordic Pulp & Paper Research Journal, ISSN 0283-2631, E-ISSN 2000-0669, Vol. 27, no 4, p. 798-805Article in journal (Refereed) Published
Abstract [en]

This study shows that wet-pressing TMP and DIP with a shoe press pulse may yield similar after-press solids, provided that an adequate shoe pulse length with similar pressure profile is applied. A wet web with more porous structure in the sheet dewatering (felt) layer seems to contribute to the increased dewatering during wet pressing. In addition, a shoe press pulse with high peak pressure at the end yields higher solids content after wet-pressing and higher bulk compared to a pulse with a peak pressure in the beginning. The increased dewatering during wet-pressing implies a reduction of steam consumption in the dryer.

Place, publisher, year, edition, pages
2012. Vol. 27, no 4, p. 798-805
Keywords [en]
3D paper structure, Fines, Image analysis, ImageJ, Paper structure, Pore size distribution, Porosity, Scanning electron microscope, Sheet sealing, Shoe press pulse, X-ray microtomography
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:ri:diva-9607DOI: 10.3183/NPPRJ-2012-27-04-p798-805Scopus ID: 2-s2.0-84871805841OAI: oai:DiVA.org:ri-9607DiVA, id: diva2:968360
Available from: 2016-09-12 Created: 2016-09-12 Last updated: 2025-09-23Bibliographically approved

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Chinga-Carrasco, GaryEriksen, Öyvind

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
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Output format
  • html
  • text
  • asciidoc
  • rtf