Real-time monitoring of bubble size distribution in a foam forming process

Antti Koponen, Hannu Eloranta, Ari Jäsberg, Markus Honkanen, Harri Kiiskinen

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Foam forming is an intricate option to lessen fiber flocculation and to get better energy and water efficiency when making fiber-based products. Developed during the 1970s, this approach has recently received renewed attention, mainly because it also offers possibilities to widen the fiber-based product portfolios with novel and more valuable products. In addition to air content, bubble size is the most important property of foam. Foam quality control is essential for building real-world foam forming processes. In this work, we show how bubble size can be monitored with direct optical imaging in real time in real process conditions, and how such analysis helps adjust foam quality and discover process faults in foam forming.
Original languageEnglish
Pages (from-to)487-494
Number of pages8
JournalTappi Journal
Volume18
Issue number8
DOIs
Publication statusPublished - Aug 2019
MoE publication typeA1 Journal article-refereed

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Foams
Monitoring
Fibers
Flocculation
Quality control
Imaging techniques
Water
Air

Cite this

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Real-time monitoring of bubble size distribution in a foam forming process. / Koponen, Antti; Eloranta, Hannu; Jäsberg, Ari; Honkanen, Markus; Kiiskinen, Harri.

In: Tappi Journal, Vol. 18, No. 8, 08.2019, p. 487-494.

Research output: Contribution to journalArticleScientificpeer-review

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