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Dynamic modelling of a kraft pulp mill producing softwood and hardwood pulp in campaigns
RISE - Research Institutes of Sweden, Bioeconomy, Biorefinery and Energy.
RISE - Research Institutes of Sweden, Bioeconomy, Biorefinery and Energy.
RISE - Research Institutes of Sweden, Bioeconomy, Biorefinery and Energy.
2018 (English)In: Pulping Engineering and Environmental Recycling Sustainability Conference, PEERS 2018: Technical Solutions for Today and Beyond, TAPPI Press , 2018, p. 673-683Conference paper, Published paper (Other academic)
Abstract [en]

Pulp mills producing hardwood and softwood pulp in campaigns have constantly changing process stream compositions. There is a need to know how these variations develop during the campaigns and that was the objective of this study. A dynamic model, built in the simulation program WinGEMS, has been created by including tanks and reactors with known residence times. A case with a mill producing softwood and hardwood pulp in campaigns has been designed and studied. Some of the studied parameters were white liquor concentration, recovery boiler load and composition of weak black liquor. The dynamic changes of these parameters were not unexpected; however, the time responses and magnitude of these changes were of bigger interest. For instance, it took a little more than 3 days, from the start of a new campaign, to totally replace the weak black liquor from one wood species with the other. In order to interpret results successfully, it was necessary to be aware of the residence time between certain positions in the pulp mill model.

Place, publisher, year, edition, pages
TAPPI Press , 2018. p. 673-683
Keywords [en]
Paper mill, Pulp mill, Recycling, Sustainable development, Technology transfer, Dynamic changes, Hardwood pulp, Process stream, Recovery boiler, Simulation program, Softwood Pulp, Black liquor, Kraft pulp
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:ri:diva-38943Scopus ID: 2-s2.0-85064951399OAI: oai:DiVA.org:ri-38943DiVA, id: diva2:1319643
Conference
Pulping Engineering and Environmental Recycling Sustainability Conference 2018: Technical Solutions for Today and Beyond, PEERS 2018; Portland; United States; 28 October 2018 through 31 October 2018
Note

cited By 0

Available from: 2019-06-03 Created: 2019-06-03 Last updated: 2019-06-03Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
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