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Air Flow and Compression Work in Vacuum Dewatering of Paper
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
2014 (English)In: Drying Technology, ISSN 0737-3937, E-ISSN 1532-2300, Vol. 32, no 1, 39-46 p.Article in journal (Refereed) Published
Abstract [en]

Dewatering on the paper machine takes place by gravity, suction, pressing, and evaporation. Optimizing the operation of the vacuum system is important, since the electricity consumption of the vacuum pumps might be one-fifth of the total electricity consumption of the paper machine. Vacuum dewatering involves large volumes of air penetrating the web. The present study presents four sets of measured air flow rates useful for designing industrial equipment. The mass flux of air increases with increasing applied vacuum and decreases with increasing basis weight. Paper technological parameters, such as fiber size and fiber flexibility, also influence the mass flux. © 2014 Copyright Taylor and Francis Group, LLC.

Place, publisher, year, edition, pages
Taylor & Francis, 2014. Vol. 32, no 1, 39-46 p.
National Category
Chemical Engineering
Research subject
Environmental and Energy Systems
Identifiers
URN: urn:nbn:se:kau:diva-31169DOI: 10.1080/07373937.2013.809732ISI: 000327842400007OAI: oai:DiVA.org:kau-31169DiVA: diva2:693405
Note

cited By (since 1996)0

Available from: 2014-02-04 Created: 2014-02-04 Last updated: 2016-01-12Bibliographically approved

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Nilsson, Lars
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