Application of ultrasound anemometry for measuring filtration of fibre suspensions: effect of fibre and pulp properties

Sanna Haavisto

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleScientificpeer-review

Abstract

We present here results for filtration experiments with refined and fractionated chemical pulp suspensions. The properties of consolidating fibre network are described in terms of permeability and structural pressure. The main objective of this work was to clarify the effect of fibre and pulp properties on the dynamics of the filtration and on the rheological properties of filtrating fibre network. The relevance of coarseness, average fibre length, fibre length distribution and Canadian Standard Freeness on permeability constant and structural pressure was evaluated. The filtration properties could be correlated with fines fraction and coarseness of fibres.
Original languageEnglish
Title of host publicationRheological materials in process industry
Subtitle of host publicationReoMaT Final Report
EditorsMarkku Kataja
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Chapter3.5
Pages84-93
ISBN (Electronic)978-951-38-7201-4
ISBN (Print)978-951-38-7200-7
Publication statusPublished - 2008
MoE publication typeA3 Part of a book or another research book

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pulp
permeability
chemical pulp
rheological properties

Cite this

Haavisto, S. (2008). Application of ultrasound anemometry for measuring filtration of fibre suspensions: effect of fibre and pulp properties. In M. Kataja (Ed.), Rheological materials in process industry: ReoMaT Final Report (pp. 84-93). Espoo: VTT Technical Research Centre of Finland.
Haavisto, Sanna. / Application of ultrasound anemometry for measuring filtration of fibre suspensions: effect of fibre and pulp properties. Rheological materials in process industry: ReoMaT Final Report. editor / Markku Kataja. Espoo : VTT Technical Research Centre of Finland, 2008. pp. 84-93
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Haavisto, S 2008, Application of ultrasound anemometry for measuring filtration of fibre suspensions: effect of fibre and pulp properties. in M Kataja (ed.), Rheological materials in process industry: ReoMaT Final Report. VTT Technical Research Centre of Finland, Espoo, pp. 84-93.

Application of ultrasound anemometry for measuring filtration of fibre suspensions: effect of fibre and pulp properties. / Haavisto, Sanna.

Rheological materials in process industry: ReoMaT Final Report. ed. / Markku Kataja. Espoo : VTT Technical Research Centre of Finland, 2008. p. 84-93.

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleScientificpeer-review

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AB - We present here results for filtration experiments with refined and fractionated chemical pulp suspensions. The properties of consolidating fibre network are described in terms of permeability and structural pressure. The main objective of this work was to clarify the effect of fibre and pulp properties on the dynamics of the filtration and on the rheological properties of filtrating fibre network. The relevance of coarseness, average fibre length, fibre length distribution and Canadian Standard Freeness on permeability constant and structural pressure was evaluated. The filtration properties could be correlated with fines fraction and coarseness of fibres.

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Haavisto S. Application of ultrasound anemometry for measuring filtration of fibre suspensions: effect of fibre and pulp properties. In Kataja M, editor, Rheological materials in process industry: ReoMaT Final Report. Espoo: VTT Technical Research Centre of Finland. 2008. p. 84-93