Author:
KOPONEN ANTTI,ELORANTA HANNU,JASBERG ARI,HONKANEN MARKUS,KIISKINEN HARRI
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.
Subject
Mechanical Engineering,General Materials Science,Media Technology,General Chemical Engineering,General Chemistry
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